MD5: 013b177d4af9f230f8f6838d3bfe3313
SHA1: 4de483db0aa0843898381ecaad97b7b701da54f4
SHA256: ca0a61723afd937cf86ebf4ab845dfd1ec0471d2d6586011f7c87ade59f5fa24
SSDeep: 6144:gW1wrQAywYnNRwvlSDG6YtFQPMSVoPaawE7/ZI1HmlgPvj:g/r0nPwvwYTQPGiaN/WHmlW
Size: 303317 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: Armadillov171, MicrosoftVisualC, MicrosoftVisualCv50v60MFC, MicrosoftVisualC50, UPolyXv05_v6
Company: AirInstaller
Created at: 2013-10-02 20:37:00

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):

offo.exe:1648
offo.exe:816
013b177d4af9f230f8f6838d3bfe3313.exe:1652
013b177d4af9f230f8f6838d3bfe3313.exe:1284

File activity

The process 013b177d4af9f230f8f6838d3bfe3313.exe:1652 makes changes in a file system.
The Trojan-PSW creates and/or writes to the following file(s):

%Documents and Settings%\%current user%\Local Settings\Temp\tmpc5ba7afc.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Ivro\offo.exe (303 bytes)

Registry activity

The process offo.exe:1648 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" = "58 4A F6 20 20 0E F5 29 BE EB F1 CC ED 29 B7 1A"

The process offo.exe:816 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" = "84 18 59 1C 5D 18 DB A9 B6 A1 D4 64 F4 C4 8F FE"

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

The process 013b177d4af9f230f8f6838d3bfe3313.exe:1652 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" = "F0 7E 10 7A 1A 6B 28 D6 86 8B D0 37 95 FB 88 E1"

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

The process 013b177d4af9f230f8f6838d3bfe3313.exe:1284 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" = "B8 D3 13 DF 01 46 C8 12 31 2B C8 CE F4 49 B8 E4"

Network activity (URLs)

URL	IP
hxxp://50.28.9.113/data/php/on/file.php

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):
   

   offo.exe:1648
   offo.exe:816
   013b177d4af9f230f8f6838d3bfe3313.exe:1652
   013b177d4af9f230f8f6838d3bfe3313.exe:1284
   

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%\Local Settings\Temp\tmpc5ba7afc.bat (177 bytes)
   %Documents and Settings%\%current user%\Application Data\Ivro\offo.exe (303 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.