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The Internet threat alert status is currently normal. At present, no major epidemics or other serious incidents have been recorded by Kaspersky Lab’s monitoring service. Internet threat level: 1

Trojan-Dropper.Win32.Agent.aga

Detected Jan 11 2006 13:37 GMT
Released Jan 11 2006 13:37 GMT
Published Jan 24 2006 08:57 GMT

Technical Details

This Trojan is designed to install other Trojan programs on the victim machine. The Trojan itself is a Windows PE EXE file approximately 295KB in size.

When launched, the Trojan installs the following file in the original Trojan folder:

<original Trojan folder>\dropped.dll

This file will be detected by Kaspersky Anti-Virus as Trojan-PSW.Win32.Delf.he

This file is registered in the system registry, and launched for execution.


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Trojan-Dropper

Trojan-Dropper programs are designed to secretly install malicious programs built into their code to victim computers.

This type of malicious program usually save a range of files to the victim’s drive (usually to the Windows directory, the Windows system directory, temporary directory etc.), and launches them without any notification (or with fake notification of an archive error, an outdated operating system version, etc.).

Such programs are used by hackers to:

  • secretly install Trojan programs and/or viruses
  • protect known malicious programs from being detected by antivirus solutions; not all antivirus programs are capable of scanning all the components inside this type of Trojans.

Other versions

Aliases

Trojan-Dropper.Win32.Agent.aga (Kaspersky Lab) is also known as:

  • Trojan.Generic.5143590 (BitDef7)
  • Trojan.DR.Agent.XEM (VirusBuster)
  • Win32:Malware-gen (AVAST)
  • Trojan-Dropper.Agent (Ikarus)
  • Dropper.Agent.AJN (AVG)
  • DR/Agent.GN (AVIRA)
  • Dropper.Agent.cd (Rising)
  • Trojan-Dropper.Win32.Agent.aga [AVP] (FSecure)
  • Trojan.DR.Agent.XEM (VirusBusterBeta)