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Virus:Worm/Pinit.NP
Date discovered:19/07/2010
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:151.040 Bytes
MD5 checksum:0e97ea67fb10d0e8811ebed6fa6931d0
VDF version:7.10.04.26
IVDF version:7.10.09.119 - Monday, July 19, 2010

 General Aliases:
   •  Sophos: Troj/Agent-NXQ
   •  Bitdefender: Trojan.Downloader.Bredolab.EQ
   •  Panda: W32/Pinit.M.worm
   •  Eset: Win32/Pinit.AF


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Downloads malicious files
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %SYSDIR%\cooper.mine



It deletes the following file:
   • %SYSDIR%\hifokcy



The following files are created:

%SYSDIR%\user32.dll
%SYSDIR%\dllcache\user32.dll Further investigation pointed out that this file is malware, too. Detected as: TR/Patched.Gen2

%SYSDIR%\h7t.wt
%SYSDIR%\hgtd.ruy
%SYSDIR%\nmklo.dll Further investigation pointed out that this file is malware, too. Detected as: Worm/Pinit.IT.2

%SYSDIR%\hifokcy Further investigation pointed out that this file is malware, too. Detected as: TR/Patched.Gen2

%SYSDIR%\kedquu



It tries to download some files:

– The location is the following:
   • http://winupdatedb.co.uk/tpsa/**********


– The location is the following:
   • http://winupdatedb.co.uk/tpsa/**********




It tries to execute the following file:

– Filename:
   • "%SYSDIR%\Wbem\wmic.exe" path win32_terminalservicesetting where (__Class!="") call setallowtsconnections 1

 Registry The following registry keys are added:

– [HKLM\SOFTWARE\9]
   • "31897356954C2CD3D41B221E3F24F99BBA"=dword:0x00bbdf19
   • "31AC70412E939D72A9234CDEBB1AF5867B"="nqrckqqlqdrqrirprhqoqrqdopoinfnhmjmqrjrjlmmrmrnpmqqhnqnknj"
   • "31C2E1E4D78E6A11B88DFA803456A1FFA5"=dword:0x00000000

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion]
   • "MID"="7350171B30C7445EB1BBFB4DB6AC95604363DA83889E4F7CB19D66F95B47E748"
   • "tt"=dword:0x00000001

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows]
   • "Appiijt_Dlls"="nmklo"

– [HKLM\SOFTWARE\1]
   • "31897356954C2CD3D41B221E3F24F99BBA"=dword:0x00bbdf19
   • "31AC70412E939D72A9234CDEBB1AF5867B"="efipdhioiijnjpjcjmidigiggmgfgkgkhkhfcojedpemjgfcinfdff"
   • "31C2E1E4D78E6A11B88DFA803456A1FFA5"=dword:0x00000000

– [HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\
   Licensing Core]
   • "EnableConcurrentSessions"=dword:0x00000001



The following registry key is changed:

– [HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server]
   New value:
   • "fDenyTSConnections"=dword:0x00000000

 Backdoor Contact server:
The following:
   • **********.ru:62152 (TCP)


 Miscellaneous Accesses internet resources:
   • http://polujopa.com/tpsa/gate/r.php

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Die Beschreibung wurde erstellt von Petre Galan am Mittwoch, 5. Januar 2011
Die Beschreibung wurde geändert von Petre Galan am Mittwoch, 5. Januar 2011

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