Virus:TR/Dldr.Amisa.3
Date discovered:10/05/2006
Type:Trojan
Subtype:Downloader
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:24.576 Bytes
MD5 checksum:15ad13fb735531ef47e1eda16fa2c082
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.bj
   •  TrendMicro: TROJ_DRSMARTL.AH
   •  Bitdefender: Trojan.Downloader.Adload.BA


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/**********
It is saved on the local hard drive under: %system drive root%\drsmartload1.exe Furthermore this file gets executed after it was fully downloaded. Further investigation pointed out that this file is malware, too.

 Registry The following registry key is added:

– HKLM\Software\Microsoft\DownloadManager

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

Description inserted by Ionut Slaveanu on Tuesday, May 30, 2006
Description updated by Andrei Gherman on Thursday, June 8, 2006

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