W32/Scold.A@mm

description-logoAnalysis

  • Virus is 32bit with a compressed file size of 28,160 bytes
  • Virus is introduced to a target system via an email attachment from another infected user
  • If the virus is run, it may copy itself to the undefinedWindowsundefined folder as "warm.scr" and modify the registry to auto run this virus at next Windows startup
  • The virus will create an email message for each contact listed in the Windows address book - the email message may be slightly varied with the following properties -

    Subject: undefinedx When It´s Cold Outside She Gives Me Warm Inside undefinedrandom
    Body 1:
    You will love this cute picture.

    Body 2:
    Enjoy this great picture.

    Body 3:
    Don't miss this cool picture.

    Additional Body text -

    ============= Free Online Virus Scan =============
    100undefined VIRUS FREE
    No viruses or suspicious files were found in the attached file.
    Attachment: undefinedrandom.scr

  • In the example above, undefinedx is either no value, or it's one of the following -

    Fw:
    Re:

    And undefinedrandom is random letters

recommended-action-logoRecommended Action

  • Enable blocking of .SCR file attachments using FortiGate manager interface for POP3, SMTP and IMAP email services
  • Add the following words to the Email quarantine feature of FortiGate -

    Cold+Outside+She+Gives+Me+Warm+Inside

  • Configure email server applications to quarantine emails tagged by FortiGate and delete as necessary

Telemetry logoTelemetry

Detection Availability

FortiClient
Extreme
FortiMail
Extreme
FortiSandbox
Extreme
FortiWeb
Extreme
Web Application Firewall
Extreme
FortiIsolator
Extreme
FortiDeceptor
Extreme
FortiEDR