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Trojan.Zlob.2.Gen

MEDIUM
LOW
2K up to 100K
(Trojan.Popuper, Trojan.Zlob, Win32/TrojanDownloader.Zlob, MalwareScope.Downloader.Zlob.1)

Symptoms

Symptoms related to this malware may include:
  • Abnormal internet activity
  • Internet Explorer's start page has changed
  • Changes in the Hosts file (%system%\drivers\etc\hosts)

Removal instructions:

Please let BitDefender disinfect your files.

Analyzed By

Marius Vanta, virus researcher

Technical Description:

Trojan.Zlob.2.Gen is a generic detection for many variants of this popular polymorphic malware.

When this malicious software is executed it usualy performs the following actions:
  • Creates copies of itself in the %system% folder
  • Adds one or more entries in the registry allowing it to run at system start up
  • Injects its code into other processes (explorer.exe, winlogon.exe, svchost.exe, spoolsv.exe etc.)
  • Reconfigures the Internet Explorer's start page
  • Connects to remote addresses in order to report its status and other informations
  • Downloads and executes unwanted files