MD5: 5d496f49aa708e7e85366309d3695115
SHA1: 42b1115f50b79f5498e388ba3e2e6fb118be7cf6
SHA256: f4441467713d0ac7c0e6cf95453db9404c16bc80d2a9fdbed607fe50b595894b
SSDeep: 12288:u98I22IVZEHWyLSM7XQ9RCzpzYmjfLSWXi8SoMmIH:uO91ZEH72MM9RCzlhST5ofIH
Size: 636423 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2014-02-25 16:48:06
Analyzed on: WindowsXP SP3 32-bit

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):

%original file name%.exe:1224
evsi.exe:3132

The Trojan-PSW injects its code into the following process(es):

ctfmon.exe:252

File activity

The process %original file name%.exe:1224 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\tmpaa69d4be.bat (177 bytes)
%Documents and Settings%\%current user%\Application Data\Giiw\evsi.exe (3709 bytes)

Registry activity

The process %original file name%.exe:1224 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" = "54 D0 96 64 5E A6 76 1D FA 9B 6E E6 89 E7 83 12"

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

[HKCU\Software\Microsoft\Dixyp]
"Osywtuqae" = "D6 1A 54 3C 8E 9E 1D D0 71 03 FE 40 73 B2 3F 79"

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 evsi.exe:3132 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" = "23 17 CB A9 20 F2 58 FF 40 29 60 54 94 59 57 E3"

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

Network activity (URLs)

URL	IP
hxxp://alhcc.pk/dir/scripts/config.bin (Malicious)	50.23.44.102
hxxp://www.google.com/webhp	173.194.43.84
hxxp://www.google.ca/webhp?gfe_rd=cr&ei=uT8TU-WVFqmC8Qf7i4DYDg	173.194.43.87
hxxp://e6845.ce.akamaiedge.net/crls/secureca.crl
hxxp://e6845.ce.akamaiedge.net/crls/gtglobal.crl
hxxp://www3.l.google.com/GIAG2.crl
crl.geotrust.com	23.4.37.163
pki.google.com	173.194.43.78

HOSTS file anomalies

No changes have been detected.

Rootkit activity

The Trojan-PSW installs the following user-mode hooks in WININET.dll:

HttpSendRequestExW
HttpSendRequestExA
InternetReadFileExA
HttpSendRequestA
HttpSendRequestW
InternetQueryDataAvailable
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:

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 WS2_32.dll:

WSASend
send
closesocket

The Trojan-PSW installs the following user-mode hooks in kernel32.dll:

GetFileAttributesExW

The Trojan-PSW installs the following user-mode hooks in ntdll.dll:

LdrLoadDll
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):
   

   %original file name%.exe:1224
   evsi.exe:3132

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\tmpaa69d4be.bat (177 bytes)
   %Documents and Settings%\%current user%\Application Data\Giiw\evsi.exe (3709 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.