Virus:TR/Dldr.Amisa.5
Date discovered:10/05/2006
Type:Trojan
Subtype:Downloader
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Medium
Static file:Yes
File size:28.672 Bytes
MD5 checksum:e11e8572c33025531d995a823afa4880
VDF version:6.34.01.57
IVDF version:6.34.01.58 - Wednesday, May 10, 2006

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Mcafee: DollarRevenue
   •  Kaspersky: Trojan-Downloader.Win32.Adload.bf
   •  TrendMicro: TROJ_DRSMARTL.AH
   •  VirusBuster: trojan Trojan.DL.Adload.BG
   •  Bitdefender: Trojan.Downloader.NX


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


Side effects:
   • Downloads malicious files
   • Registry modification

 Files – The location is the following:
   • http://promo.dollarrevenue.com/bundle/**********?userid=%several random digits%
It is saved on the local hard drive under: %WINDIR%\drsmartload2.dat

 Registry The following registry keys are added:

– HKLM\SOFTWARE\Microsoft\drsmartload2
   • "Installed"="%number%"

– HKLM\SOFTWARE\Microsoft
   • "Check"="%number%"

 Backdoor Contact server:
One of the following:
   • http://promo.dollarrevenue.com/bundle/**********?id=%several random digits%
   • http://promo.dollarrevenue.com/bundle/**********?a=a_u&id=%several random digits%
   • http://promo.dollarrevenue.com/bundle/**********?TypeInstall=&id=%several random digits%
   • http://promo.dollarrevenue.com/bundle/**********?a=d&id=%several random digits%



Sends information about:
    • Current malware status


Remote control capabilities:
    • Download file
    • Execute file

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

Description inserted by Ionut Slaveanu on Monday, May 29, 2006
Description updated by Andrei Gherman on Thursday, June 8, 2006

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