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Rogue:W32/Renos

Classification

Category:

Malware

Type:

Rogue

Aliases:

  • Rogue:W32/Renos
  • Trojan.Renos
  • Trojan-Downloader:W32/renos.gen!c

Summary

Dishonest antivirus software which tricks users into buying or installing it, usually by infecting a user's computer, or by pretending the computer is infected.

Removal

Technical Details

Rogue:W32/Renos is program that displays annoying fake security warnings. The aim of this software is to trick a computer user to download third-party cleaning utilities, usually anti-spyware scanners.

Installation

The Renos executable file is usually dropped by malicious websites onto the computer system. It may also be delivered in the payload of a trojan.

Typically when a Renos' executable file is run, it drops a DLL file into Windows System folder and registers it as a system component. The DLL is the main Renos component.

Activity

When active, Renos shows a blinking icon in System Tray and periodically (actually quite often to be annoying) shows a fake security warning:

When a user clicks on this alert, his web browser is redirected to a website that offers a cleaning utility (usually anti-adware) for download.

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