Gen:Variant.Kazy.268629 (BitDefender), PWS:Win32/Zbot.gen!AM (Microsoft), HEUR:Trojan.Win32.Generic (Kaspersky), Trojan.Win32.Kryptik.mwe (v) (VIPRE), Trojan.Packed.24465 (DrWeb), Gen:Variant.Kazy.268629 (B) (Emsisoft), FakeSecTool-FBH!B87B2B6A6CFF (McAfee), Packed.Generic.443 (Symantec), Trojan-Spy.Zbot (Ikarus), FakeAV_s.AQL (AVG), Win32:Kryptik-NBK [Trj] (Avast), TROJ_KRYPTK.SM07 (TrendMicro), Trojan-PSW.Win32.Zbot.4.FD, GenericInjector.YR (Lavasoft MAS)Behaviour: Trojan-Spy, Trojan-PSW, Trojan, Fake-AV, Packed
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: b87b2b6a6cff2a0eaefa864223603bfc
SHA1: f428982033773a82993c5eee5928cba2581986ad
SHA256: 623bd105aaf8e69d8e3c4192b89f6f04b51f626d6a39c756919b3892d9c451d1
SSDeep: 6144:hmqsNqA/vaTD9r5SYbBZnmnMlZ lXhFuER553nw7ilzpFfn674sZcuH8P:XDKvm9r5SqPnmMlsuuw7ilzpN67xcuY
Size: 316928 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2010-07-13 15:43:11
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):
mexoig.exe:832
%original file name%.exe:300
The Trojan-PSW injects its code into the following process(es):
ctfmon.exe:1224
File activity
The process mexoig.exe:832 makes changes in the file system.
The Trojan-PSW creates and/or writes to the following file(s):
%Documents and Settings%\%current user% (28672 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (106496 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT.LOG (30208 bytes)
The process %original file name%.exe:300 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\Givio (4096 bytes)
%Documents and Settings%\%current user%\Application Data\Givio\mexoig.exe (636416 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\JOK36E9.bat (174 bytes)
Registry activity
The process mexoig.exe:832 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" = "05 EB 71 1A 90 1D 26 21 AE E1 90 CF 98 18 15 63"
[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"
[HKCU\Software\Microsoft\Ifqutubeij]
"1ajd4j13" = "7E DA 71 06 32 4A 23 CB F8 07 24 6E 5E AC"
The process ctfmon.exe:1224 makes changes in the system registry.
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:300 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" = "74 1B 6D CB DF CD 10 EC 60 6F ED DE 37 12 18 D4"
[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"
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:
HttpSendRequestExA
HttpSendRequestW
InternetReadFileExA
InternetWriteFile
InternetWriteFileExA
InternetQueryDataAvailable
HttpQueryInfoW
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:
GetClipboardData
TranslateMessage
The Trojan-PSW installs the following user-mode hooks in Secur32.dll:
DecryptMessage
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):
mexoig.exe:832
%original file name%.exe:300 - Delete the original Trojan-PSW file.
- Delete or disinfect the following files created/modified by the Trojan-PSW:
%Documents and Settings%\%current user% (28672 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT (106496 bytes)
%Documents and Settings%\%current user%\NTUSER.DAT.LOG (30208 bytes)
%Documents and Settings%\%current user%\Application Data\Givio (4096 bytes)
%Documents and Settings%\%current user%\Application Data\Givio\mexoig.exe (636416 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\JOK36E9.bat (174 bytes) - Reboot the computer.