Need help? Ask the community or hire an expert.
Go to Avira Answers
Date discovered:28/03/2006
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:200.192 Bytes
MD5 checksum:1055704da966c3df3c4f7a12d3ab0E5f
VDF version:

 General Method of propagation:
   • No own spreading routine

   •  Kaspersky:
   •  TrendMicro: TROJ_DELF.AXE

Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003

Side effects:
   • Registry modification

 Files It copies itself to the following locations:
   • %WINDIR%\csrss.exe
   • %WINDIR%\smss.exe
   • %SYSDIR%\chkntsv.exe

It tries to download a file:

– The location is the following:

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

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx]
   • "Title"="ClientServerRuntimeProcess"
   • "Flags"=hex:08

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx\0001]
   • "ClientServerRuntimeProcess"="%WINDIR%\csrss.exe"

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx\0002]
   • "CheckNetworkService"="%SYSDIR%\chkntsv.exe"

 File details Programming language:
The malware program was written in Delphi.

Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPX

Description inserted by Iulia Diaconescu on Thursday, March 30, 2006

Back . . . .