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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.Win32.Agent.abt

Detected Aug 14 2007 09:17 GMT
Released Aug 14 2007 09:17 GMT
Published Jan 11 2008 13:46 GMT

Technical Details
Payload
Removal instructions

Technical Details

This Trojan has a malicious payload. It is a Windows PE EXE file. It is 22016 bytes in size.

Installation

In order to ensure that the Trojan is launched automatically each time the system is booted, the Trojan adds a link to its executable file in the system registry:

[HKLM\Software\Microsoft\Windows\CurrentVersion\Run]
"SVCHOST" = "<path to and name of Trojan executable file> "

Payload

The Trojan scans the system for a window with the heading shown below:

and closes it.


Removal instructions

If your computer does not have an up-to-date antivirus, or does not have an antivirus solution at all, follow the instructions below to delete the malicious program:

  1. Use Task Manager to terminate the Trojan process.
  2. Delete the original Trojan file (the location will depend on how the program originally penetrated the victim machine).
  3. Delete the following system registry key parameter:
    [HKLM\Software\Microsoft\Windows\CurrentVersion\Run]
    "SVCHOST" = "<path to and name of Trojan executable file> "
  4. Update your antivirus databases and perform a full scan of the computer (download a trial version of Kaspersky Anti-Virus).

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Trojan

This type of behaviour covers malicious programs that delete, block, modify, or copy data, disrupt computer or network performance, but which cannot be classified under any of the behaviours identified above.

This classification also covers “multipurpose” Trojan programs, i.e. those that are capable of conducting several actions at once and which demonstrate several Trojan behaviours in a single program. This means they cannot be indisputably classified as having any single behaviour.


Other versions

Aliases

Trojan.Win32.Agent.abt (Kaspersky Lab) is also known as:

  • Trojan: Generic.dx!uwc (McAfee)
  • Mal/Generic-L (Sophos)
  • Trj/Agent.DYJ (Panda)
  • W32/TrojanX.BSHD (FPROT)
  • Worm:Win32/RJump (MS(OneCare))
  • Trojan.Siggen1.17255 (DrWeb)
  • Gen:Trojan.Heur.GM.000401A800 (BitDef7)
  • Trojan.Agent!HUIWFMcNw8c (VirusBuster)
  • Win32:Agent-EMT [Trj] (AVAST)
  • Trojan.Win32.Agent (Ikarus)
  • Agent_r.AM (AVG)
  • TR/Dropper.Gen (AVIRA)
  • Trojan Horse (NAV)
  • NseCheckFile2() returned 0x00010018 (Norman)
  • Trojan.Win32.Undef.klf (Rising)
  • Trojan.Agent!HUIWFMcNw8c (VirusBusterBeta)