MD5: cc757023526a152f1105758d2f8922bd
SHA1: 07f65494c8e8457657e74f585a8dbb4529522307
SHA256: 0ab9f54382a8e71ec6f6bf213ec3a26c90cccd7e894fa276465199b5a47993f5
SSDeep: 6144:Lu8YeBy2WLdY7pW92jC1dmtPNc8p7lhEZyx3Nfz N :Ltny2udJUj/ZNcQ7XEZE3Nrm
Size: 313168 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: StarApp
Created at: 2012-02-22 20:42:10

Summary:

Trojan-PSW. Trojan program intended for stealing users passwords.

Payload

No specific payload has been found.

Process activity

The Trojan-PSW creates the following process(es):

pyfe.exe:1244
pyfe.exe:480
cc757023526a152f1105758d2f8922bd.exe:2004
cc757023526a152f1105758d2f8922bd.exe:1376

File activity

The process cc757023526a152f1105758d2f8922bd.exe:2004 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Application Data\Ygavi\pyfe.exe (313 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp58ef271a.bat (177 bytes)

Registry activity

The process pyfe.exe:1244 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "14 74 83 9B A5 2C 04 83 E2 2B A7 A6 55 13 7D D6"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

The process pyfe.exe:480 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "10 87 C4 CF C8 E2 66 1F 3C F9 90 B9 D3 09 6D 2A"

The process cc757023526a152f1105758d2f8922bd.exe:2004 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "B6 FD C8 B2 C5 47 A4 2F 26 CD 20 D1 B7 09 6B AC"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"

The process cc757023526a152f1105758d2f8922bd.exe:1376 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "CD 1D 00 1B 0C 44 33 47 F5 7F A6 A7 D5 EA 9F 28"

Network activity (URLs)

URL	IP
hxxp://creditumtuel.com/cita/cp/file.php	108.162.197.189

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

Remove it with Ad-Aware

1. Click (here) to download and install Ad-Aware Free Antivirus.
2. Update the definition files.
3. Run a full scan of your computer.

Manual removal*

1. Scan a system with an anti-rootkit tool.
   
2. Terminate malicious process(es) (How to End a Process With the Task Manager):
   

   pyfe.exe:1244
   pyfe.exe:480
   cc757023526a152f1105758d2f8922bd.exe:2004
   cc757023526a152f1105758d2f8922bd.exe:1376

3. Delete the original Trojan-PSW file.
   
4. Delete or disinfect the following files created/modified by the Trojan-PSW:
   

   %Documents and Settings%\%current user%\Application Data\Ygavi\pyfe.exe (313 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\tmp58ef271a.bat (177 bytes)

5. Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
   
6. Reboot the computer.
   

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.