Trojan:BASH/Qhost.WD

Classification

Malware

Trojan

BASH

Trojan:BASH/Qhost.WD, Qhost.WD, BASH/Qhost.WD, Trojan:BASH/Qhost.WD

Summary

Trojan:BASH/Qhost.WD poses as a Flash Player installer, and performs unauthorized actions upon installation.

Removal

Manual removal

  • Open terminal and change directory to */private/etc/*:
    • $cd /private/etc
  • Use any editing tool you prefer and edit the hosts file:
    • $sudo vim hosts
    Note: You need root privilege to do this.
  • Remove all the following entries from the hosts file:
    • 91.224.160.26 google.com
    • 91.224.160.26 google.co.uk
    • 91.224.160.26 google.co.au
    • 91.224.160.26 google.ca
    • 91.224.160.26 google.us
    • 91.224.160.26 www.google.com
    • 91.224.160.26 www.google.co.uk
    • 91.224.160.26 www.google.com.au
    • 91.224.160.26 www.google.ca
    • 91.224.160.26 www.google.us
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Technical Details

Trojan:BASH/Qhost.WD disguises as a Flash Player installer called FlashPlayer.pkg to trick user into installation.

Payload

Upon installation, the trojan hijacks traffic to Google by adding the following entries to the host file:

  • 91.224.160.26 google.com
  • 91.224.160.26 google.co.uk
  • 91.224.160.26 google.co.au
  • 91.224.160.26 google.ca
  • 91.224.160.26 google.us
  • 91.224.160.26 www.google.com
  • 91.224.160.26 www.google.co.uk
  • 91.224.160.26 www.google.com.au
  • 91.224.160.26 www.google.ca
  • 91.224.160.26 www.google.us

Date Created: -

Date Last Modified: -