Du brauchst Hilfe? Frage die Community oder wende dich an einen Experten.
Zu Avira Answers
Virus:Worm/Palevo.CJ
Date discovered:22/03/2009
Type:Worm
In the wild:Yes
Reported Infections:Low to medium
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:81.920 Bytes
MD5 checksum:2debd02eef9cf2dafe3b2c5ec35b72bc
IVDF version:7.01.02.200 - Sunday, March 22, 2009

 General Aliases:
   •  Sophos: W32/Palevo-AI
   •  Bitdefender: Backdoor.Tofsee.DI
   •  Panda: W32/P2Pworm.OJ
   •  Eset: Win32/Inject.NDR


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


Side effects:
   • Downloads malicious files
   • Drops malicious files
   • Lowers security settings
   • Registry modification
   • Makes use of software vulnerability
CVE-2007-1204
MS07-019

 Files It copies itself to the following location:
   • %HOME%\Application Data\ltzqai.exe



The following files are created:

%HOME%\Local Settings\Temporary Internet Files\Content.IE5\%random character string%\a2[1].exe
%SYSDIR%\msvmiode.exe Further investigation pointed out that this file is malware, too. Detected as: TR/Kazy.6393

%HOME%\Local Settings\Temporary Internet Files\Content.IE5\%random character string%\9[1].exe Further investigation pointed out that this file is malware, too. Detected as: TR/Kazy.6393

%TEMPDIR%\8295623.exe Further investigation pointed out that this file is malware, too. Detected as: TR/Kazy.6393

%WINDIR%\gwdrive32.exe
%TEMPDIR%\3156714.exe



It tries to download some files:

The location is the following:
   • http://91.217.162.230/**********


The location is the following:
   • http://91.217.162.80/**********




It tries to execute the following files:

Filename:
   • %TEMPDIR%\3156714.exe


Filename:
   • %TEMPDIR%\8295623.exe


Filename:
   • %WINDIR%\gwdrive32.exe


Filename:
   • %SYSDIR%\msvmiode.exe

 Registry The following registry keys are added in order to run the processes after reboot:

[HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   • "Taskman"="%HOME%\Application Data\ltzqai.exe"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "MSODESNV7"="%SYSDIR%\msvmiode.exe"
   • "Microsoft Driver Setup"="%WINDIR%\gwdrive32.exe"



It creates the following entries in order to bypass the Windows XP firewall:

[HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile]
   • "EnableFirewall"=dword:0x00000000

[HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile\AuthorizedApplications\List]
   • "%TEMPDIR%\3156714.exe"="%TEMPDIR%\3156714.exe:*:%WINDIR%\gwdrive32.exe"



The following registry keys are added:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Setup]
   • "host"="%IP address%"
   • "id"="53278313365887547050409651089924"
   • "ridt100413"="1"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\
   Run]
   • "Microsoft Driver Setup"="%WINDIR%\gwdrive32.exe"

 Backdoor Contact server:
One of the following:
   • ff.fjp**********.com:9955 (UDP)
   • ff.fif**********.com:9955 (UDP)
   • aaaaaaaa.sch**********.us:7196 (TCP)


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

    Process name:
   • explorer.exe


 Miscellaneous Mutex:
It creates the following Mutex:
   • nbev+32

 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 Dienstag, 4. Januar 2011
Die Beschreibung wurde geändert von Andrei Ivanes am Freitag, 7. Januar 2011

zurück . . . .