Trojan.Win32.Generic!BT (VIPRE), Trojan-PSW.Win32.Zbot.4.FD, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan-PSW, Trojan
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 61be2a654787df2e2d68f275b29e5a55
SHA1: b424cd267f640522fdc8c98b6e0819ba2289ef2b
SHA256: 2b653c6b713d114460c60ac3340e24de86986f6a2f1e641d2e12a1ee1a1fb178
SSDeep: 6144:S/ReOFvvVRItiYQ7Z3gegxeZjDA1kWLaotN0:UReOFVOgx7m1IQHLM
Size: 280576 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2011-02-09 19:31:01
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:2640
suogfe.exe:1008
The Trojan-PSW injects its code into the following process(es):
ctfmon.exe:252
File activity
The process %original file name%.exe:2640 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\BUT36A9.bat (173 bytes)
%Documents and Settings%\%current user%\Application Data\Gouq\suogfe.exe (1705 bytes)
The process suogfe.exe:1008 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\ntuser.dat.LOG (7608 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (7492 bytes)
The process ctfmon.exe:252 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\ntuser.dat.LOG (5400 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (4484 bytes)
Registry activity
The process %original file name%.exe:2640 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" = "CB 1B 00 5A 59 FC 44 59 09 CD 65 C3 DE 9E D2 14"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
The process suogfe.exe:1008 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" = "9A 6F 04 91 89 84 3F 34 C6 57 DB 2C 74 9B 06 D7"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Utpuzaiqed]
"a3ef5ec" = "Cjtb484m2bOHzt5i"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Local AppData" = "%Documents and Settings%\%current user%\Local Settings\Application Data"
The process ctfmon.exe:252 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" = "FC 8D 5E BB 91 5A CF 0A 53 28 47 99 EE 51 9B A0"
[HKCU\Identities]
"Last User ID" = "{6855BFC2-9E4A-4896-A11D-74388FBABDC2}"
"Last Username" = "Main Identity"
[HKCU\Software\Microsoft\WAB\WAB4]
"OlkFolderRefresh" = "0"
"FirstRun" = "1"
[HKCU\Identities]
"Identity Login" = "622675"
[HKCU\Software\Microsoft\Utpuzaiqed]
"defg8ai" = "KDsr4w=="
[HKCU\Software\Microsoft\Internet Account Manager]
"Server ID" = "4"
[HKCU\Identities]
"Identity Ordinal" = "2"
[HKCU\Software\Microsoft\WAB\WAB4]
"OlkContactRefresh" = "0"
The Trojan-PSW deletes the following value(s) in system registry:
[HKCU\Identities]
"Changing"
"OutgoingID"
"IncomingID"
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)
No activity has been detected.
HOSTS file anomalies
No changes have been detected.
Rootkit activity
The Trojan-PSW installs the following user-mode hooks in WININET.dll:
HttpSendRequestExW
HttpSendRequestExA
InternetWriteFile
InternetReadFileExA
InternetReadFileExW
HttpSendRequestA
HttpSendRequestW
InternetQueryDataAvailable
HttpQueryInfoW
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:
GetClipboardData
TranslateMessage
The Trojan-PSW installs the following user-mode hooks in Secur32.dll:
UnsealMessage
SealMessage
DeleteSecurityContext
The Trojan-PSW installs the following user-mode hooks in WS2_32.dll:
WSAGetOverlappedResult
WSASend
recv
gethostbyname
WSARecv
send
closesocket
freeaddrinfo
getaddrinfo
GetAddrInfoW
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:2640
suogfe.exe:1008 - 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\BUT36A9.bat (173 bytes)
%Documents and Settings%\%current user%\Application Data\Gouq\suogfe.exe (1705 bytes)
%Documents and Settings%\%current user%\ntuser.dat.LOG (7608 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (7492 bytes) - Reboot the computer.