Gen:Variant.Kazy.132542 (BitDefender), PWS:Win32/Zbot.gen!Y (Microsoft), HEUR:Trojan.Win32.Generic (Kaspersky), Packer.Win32.Mystic.a (v) (VIPRE), Gen:Variant.Kazy.132542 (B) (Emsisoft), W32.Waledac.C!gen3 (Symantec), Gen:Variant.Kazy.132542 (FSecure), 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.
Summary
MD5: 3a42a28cc620a71f69a8047d277adee5
SHA1: 0d8c3fd574d52227c0a332c0f6fe114592469b82
SHA256: 41af9174e9dd2957e52c67084849be84c4fd0bbac7c04f498bbccbf8cae1ab26
SSDeep: 3072:D4xtyldTdi2HpQlTS/9spBBO m75J 2y7fdwtbKH 1Ydb3xYa:UxtyzdzpQlTsspBU6PobKxth5
Size: 132774 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2007-09-03 02:24:09
Analyzed on: WindowsXP SP3 32-bit
Summary: Trojan-PSW. Trojan program intended for stealing users passwords.
Dynamic Analysis
Payload
No specific payload has been found.
Process activity
The Trojan-PSW creates the following process(es):
%original file name%.exe:2532
owyf.exe:3484
The Trojan-PSW injects its code into the following process(es):
ctfmon.exe:252
File activity
The process %original file name%.exe:2532 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\tmp2235c900.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Edfyu\owyf.exe (132 bytes)
Registry activity
The process ctfmon.exe:252 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
[HKCU\Software\Microsoft\Hoaxo]
"Orul" = "2E 82 C6 0E 1C 0C C8 17 CE 4D F1 87 B3 03 17 10"
The Trojan-PSW deletes the following value(s) in system registry:
The Trojan-PSW disables automatic startup of the application by deleting the following autorun value:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"internat.exe"
The process %original file name%.exe:2532 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" = "1F 14 5B 8B 87 EE 2A 32 D3 F4 CE 0B 10 7D 3F D6"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process owyf.exe:3484 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" = "C2 73 12 D2 DF AC D2 DD BE 3D C7 72 1A F0 DC EA"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
Network activity (URLs)
| URL | IP |
|---|---|
| hxxp://di-ip.com/config.bin (Malicious) | 178.86.5.184 |
| hxxp://www.google.com/webhp | 173.194.43.80 |
| hxxp://www.google.ca/webhp?gfe_rd=cr&ei=EmYHU7GEFaqC8Qfo7oDwBw | 173.194.43.120 |
| hxxp://e6845.ce.akamaiedge.net/crls/secureca.crl | |
| hxxp://e6845.ce.akamaiedge.net/crls/gtglobal.crl | |
| hxxp://www3.l.google.com/GIAG2.crl | |
| hxxp://di-ip.com/ghostpanel/gt.php | |
| crl.geotrust.com | 23.52.85.163 |
| pki.google.com | 173.194.43.72 |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan-PSW installs the following user-mode hooks in WININET.dll:
HttpSendRequestExW
HttpSendRequestExA
InternetReadFileExA
HttpSendRequestA
HttpSendRequestW
InternetQueryDataAvailable
InternetCloseHandle
HttpQueryInfoA
InternetReadFile
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
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Scan a system with an anti-rootkit tool.
- Terminate malicious process(es) (How to End a Process With the Task Manager):
%original file name%.exe:2532
owyf.exe:3484 - Delete the original Trojan-PSW file.
- Delete or disinfect the following files created/modified by the Trojan-PSW:
%Documents and Settings%\%current user%\Local Settings\Temp\tmp2235c900.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Edfyu\owyf.exe (132 bytes) - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.