HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Zbot.aauf (v) (VIPRE), 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: 6f76d1e58648f382d5f751eb1e7a5918
SHA1: 9c55270d80f74af64fcedc96eb1518a39415c655
SHA256: 242c1ef5df9ba6ee57177cae90b8ff748a8916f5e12f34dc9d221077bae5c978
SSDeep: 3072:pJun8lKzemBwx2rT2pNeZB0b7nx0RGs7GgaD1UA2n3KH23vJwvTVIvVZT 8bCww5:pJG8lx1wN PE0VLHU4 0lPHA/AjUF8
Size: 274024 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-10-26 17:56:27
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:2724
%original file name%.exe:2700
okyd.exe:2836
okyd.exe:2560
The Trojan-PSW injects its code into the following process(es):
ctfmon.exe:252
File activity
The process %original file name%.exe:2724 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\Qoip\okyd.exe (274 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp37860f8b.bat (177 bytes)
The process %original file name%.exe:2700 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\file.exe (1425 bytes)
The process okyd.exe:2560 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\file.exe (1425 bytes)
Registry activity
The process %original file name%.exe:2724 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" = "3E 9A 7C C1 A2 A9 A2 83 03 99 49 43 B7 4B 0A 68"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process %original file name%.exe:2700 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the Trojan-PSW adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Startup Name" = "C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\file.exe"
The process okyd.exe:2836 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" = "26 41 9C 9C EB F8 A9 2B C0 F1 DD AA 10 B3 E1 15"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Zuypp]
"Awmy" = "88 5E FF 76 BA 1E 4D 68 EF 83 8D 3E 45 C0 0B 3B"
The process okyd.exe:2560 makes changes in the system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the Trojan-PSW adds the following link to its file to the system registry autorun key:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Startup Name" = "C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\file.exe"
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\Zuypp]
"Awmy" = "88 5E FF 76 BA 1E 4D 68 EF 83 8D 3E 45 C0 0B 3B"
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"
Network activity (URLs)
| URL | IP |
|---|---|
| hxxp://www.google.com/webhp | 173.194.43.84 |
| hxxp://www.google.ca/webhp?gws_rd=cr&ei=WqJ5UvruDOmwyQHWioGIDQ | 173.194.43.95 |
| hxxp://e6845.ce.akamaiedge.net/crls/secureca.crl | |
| hxxp://e6845.ce.akamaiedge.net/crls/gtglobal.crl | |
| hxxp://www3.l.google.com/GIAG2.crl | |
| crl.geotrust.com | 23.35.165.163 |
| pki.google.com | 173.194.43.70 |
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:2724
%original file name%.exe:2700
okyd.exe:2836
okyd.exe:2560 - Delete the original Trojan-PSW file.
- Delete or disinfect the following files created/modified by the Trojan-PSW:
%Documents and Settings%\%current user%\Application Data\Qoip\okyd.exe (274 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp37860f8b.bat (177 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\file.exe (1425 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Startup Name" = "C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\file.exe" - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.