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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

SpamNet.A

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:SpamNet.A
Technical name:Trj/SpamNet.A
Threat level:Medium
Type:Trojan
Effects:  

It downloads other Trojans and adware programs to the affected computer, which in turn download and install other malware. It reaches the computer when the user accesses a certain web page, which attempts to exploit the vulnerabilities Vulnerability in Cursor and Icon Format Handling, MhtRedir and IFRAME.BoF.

Affected platforms:

Windows 2003/XP/2000/NT/ME/98/95

First detected on:Aug. 11, 2005
Detection updated on:Feb. 13, 2006
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

SpamNet.A is a Trojan that downloads other malware to the affected computer:

  • Other Trojans: Downloader.DQY, Downloader.DYB, Downloader.CRY and Downloader.EBY.
  • Adware programs: SpySheriff.

In turn, those malware also download and install more Trojans, backdoors such as Galapoper.C, adware programs and dialers.

SpamNet.A is downloaded to the affected computer when the user accesses a certain web page, which attempts to exploit the vulnerabilities Vulnerability in Cursor and Icon Format Handling, MhtRedir and IFRAME.BoF. If the computer is vulnerable, SpamNet.A automatically affects it.

 

In order to avoid being affected by SpamNet.A, it is highly recommendable to download and install the security patches for the vulnerabilities Vulnerability in Cursor and Icon Format Handling, as well as the latest cumulative updates for Internet Explorer and Outlook Express from the Microsoft website.

Visible Symptoms 

    

SpamNet.A is difficult to recognize, as it does not display any messages or warnings that indicate it has reached the computer.