Need help? Ask the community or hire an expert.
Go to Avira Answers
Virus:TR/PSW.Magania.czpe
Date discovered:22/03/2010
Type:Trojan
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low to medium
Damage Potential:Low to medium
Static file:Yes
File size:114.688 Bytes
MD5 checksum:59ba42e89422164c215a9891bb283b16
IVDF version:7.10.05.158 - Monday, March 22, 2010

 General Method of propagation:
   • Autorun feature


Aliases:
   •  Mcafee: Generic PWS.y
   •  Bitdefender: Trojan.Downloader.JIRG
   •  Panda: W32/Gamania.MH
   •  Eset: Win32/PSW.OnLineGames.NWF


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 locations:
   • %drive%\puia6h.exe
   • %TEMPDIR%\xvassdf.exe



It deletes the initially executed copy of itself.



It deletes the following files:
   • %TEMPDIR%\4tddfwq0.dll
   • %TEMPDIR%\ar.exe
   • %TEMPDIR%\ar1.rar



The following files are created:

%drive%\autorun.inf This is a non malicious text file with the following content:
   • %code that runs malware%

%TEMPDIR%\ar.exe
%TEMPDIR%\4tddfwq0.dll Further investigation pointed out that this file is malware, too. Detected as: TR/PSW.Magania.czpf

%TEMPDIR%\ar1.rar
%TEMPDIR%\doscp0.dll
%TEMPDIR%\doscp.exe



It tries to download some files:

– The location is the following:
   • http://www.baiduplk.com/1rb/**********


– The location is the following:
   • http://www.yahoosd3.com/1rb/**********




It tries to execute the following files:

– Filename:
   • "%PROGRAM FILES%\Internet Explorer\IEXPLORE.EXE"


– Filename:
   • "%TEMPDIR%\ar.exe"

 Registry The following registry key is added in order to run the process after reboot:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "54dfsger"="%TEMPDIR%\xvassdf.exe"
   • "doscp"="%TEMPDIR%\doscp.exe"



The following registry key is added:

– [HKLM\SOFTWARE\Classes\CLSID\MADOWN]
   • "urlinfo"="tyily.i"

 Injection –  It injects the following file into a process: %TEMPDIR%\4tddfwq0.dll

    Process name:
   • explorer.exe



– It injects itself as a remote thread into a process.

    Process name:
   • iexplore.exe



–  It injects the following file into a process: %TEMPDIR%\doscp0.dll

    Process name:
   • explorer.exe


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

Beschrijving ingevoegd door Petre Galan op vrijdag 17 september 2010
Beschrijving bijgewerkt door Petre Galan op vrijdag 17 september 2010

Terug . . . .
https:// Dit venster is voor uw veiligheid gecodeerd.