MD5: 0400d9be176c0ae53c9e1b70344de11e
SHA1: f16fc7bbb2be6427ecad0f2f8cc05531aad51205
SHA256: 8e103cbaf39d69eb6a3c00ba7a2c70bd4cfed1c0324e1e6759d10d3e8387a42a
SSDeep: 24576:VcjJRPmN8for3GGtt4EKsOag6CoXE/TpooDN8YOlDr2:qJR1b4CSXMqoDyYOl/2
Size: 1328063 bytes
File type: PE32
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2013-08-06 22:02:19

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):

deyppu.exe:2872
deyppu.exe:2948
0400d9be176c0ae53c9e1b70344de11e.exe:372
0400d9be176c0ae53c9e1b70344de11e.exe:556

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

ctfmon.exe:252

File activity

The process deyppu.exe:2872 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\file.exe (8281 bytes)

The process 0400d9be176c0ae53c9e1b70344de11e.exe:372 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\Nabybu\deyppu.exe (7386 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\tmp22af58cf.bat (177 bytes)

The process 0400d9be176c0ae53c9e1b70344de11e.exe:556 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\file.exe (8281 bytes)

Registry activity

The process deyppu.exe:2872 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the Trojan-PSW adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"ach" = "C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\file.exe"

The process deyppu.exe:2948 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" = "72 80 48 EF 79 E7 84 04 CF 58 81 C0 26 35 C8 E3"

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

The process ctfmon.exe:252 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:

[HKCU\Software\Microsoft\Etet]
"Ifetxu" = "D1 3E E8 D0 8A C5 C1 98 6F C3 B4 33 8A F8 46 44"

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 0400d9be176c0ae53c9e1b70344de11e.exe:372 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" = "2F A5 F6 6A 85 97 AF 3F 59 E7 70 70 B3 32 D8 DE"

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

Adds a rule to the firewall Windows which allows any network activity:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\%windir%]
"explorer.exe" = "%windir%\explorer.exe"

The Trojan-PSW adds process executable file it works in to the list of trusted Windows Firewall applications:

[HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\%windir%]
"explorer.exe" = "%windir%\explorer.exe"

The process 0400d9be176c0ae53c9e1b70344de11e.exe:556 makes changes in a system registry.
The Trojan-PSW creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the Trojan-PSW adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"ach" = "C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\file.exe"

Network activity (URLs)

No activity has 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):
   

   deyppu.exe:2872
   deyppu.exe:2948
   0400d9be176c0ae53c9e1b70344de11e.exe:372
   0400d9be176c0ae53c9e1b70344de11e.exe:556

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\file.exe (8281 bytes)
   %Documents and Settings%\%current user%\Application Data\Nabybu\deyppu.exe (7386 bytes)
   %Documents and Settings%\%current user%\Local Settings\Temp\tmp22af58cf.bat (177 bytes)
   

5. Delete the following value(s) in the autorun key (How to Work with System Registry):
   

   [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   "ach" = "C:\DOCUME~1\"%CurrentUserName%"\LOCALS~1\Temp\file.exe"
   
   

6. Reboot the computer.
   

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