HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Encpk.aex (v) (VIPRE), Trojan-Dropper.Win32.Injector!IK (Emsisoft), Trojan-PSW.Win32.Zbot.6.FD, Sinowal.YR, GenericInjector.YR, BackdoorCaphaw_QKKBAL.YR, TrojanPSWZbot.YR (Lavasoft MAS)Behaviour: Trojan-Dropper, 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: 12d8e778e095e77ed174f9f960ab1d4c
SHA1: 1dbfcfb6507da9afd360a80383b9208d35550577
SHA256: 7b691f4aced28c680f47c110734582de14ec48aadca7493a72663bf10d152295
SSDeep: 3072:5nry GneMz8Tbf6Hws xCXrBSGYVF/LS3FQfDZlJ:SeP05b1SDV5e6fbJ
Size: 223744 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: Armadillov171, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, UPolyXv05_v6
Company: PC Utilities Pro
Created at: no data
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):
ytre.exe:700
%original file name%.exe:448
The Trojan-PSW injects its code into the following process(es):No processes have been created.
File activity
The process %original file name%.exe:448 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\Isxaav\ytre.exe (223 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp876cae77.bat (177 bytes)
Registry activity
The process ytre.exe:700 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" = "50 7A 04 17 8F 08 27 30 06 E0 07 DB EC 0B 4F B6"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
The process %original file name%.exe:448 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" = "01 A2 92 6A 7F 78 1B 33 30 CC 88 C1 FA 22 6E 10"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Aqhava]
"Buzuq" = "00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00"
Network activity (URLs)
| URL | IP |
|---|---|
| hxxp://finans1company.com/resource/file.php | 199.2.137.201 |
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan-PSW installs the following user-mode hooks in WINMM.dll:
PlaySoundW
The Trojan-PSW installs the following user-mode hooks in WININET.dll:
HttpEndRequestW
HttpEndRequestA
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetSetFilePointer
InternetQueryDataAvailable
HttpOpenRequestW
HttpSendRequestExW
InternetReadFile
HttpQueryInfoA
HttpSendRequestA
InternetCloseHandle
HttpOpenRequestA
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 ADVAPI32.dll:
CreateProcessAsUserA
CreateProcessAsUserW
The Trojan-PSW installs the following user-mode hooks in WS2_32.dll:
WSASend
gethostbyname
send
closesocket
getaddrinfo
The Trojan-PSW installs the following user-mode hooks in kernel32.dll:
ExitProcess
GetFileAttributesExW
The Trojan-PSW installs the following user-mode hooks in ntdll.dll:
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):
ytre.exe:700
%original file name%.exe:448 - 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\Isxaav\ytre.exe (223 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp876cae77.bat (177 bytes) - Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
- Reboot the computer.