W32/Fbound.C

description-logoAnalysis

  • Virus is 32bit, with a size of 12,288 bytes
  • When executed this virus reads addresses from the Windows Address Book (wab.exe) and sends a copy of itself to each contact listed in this format -

    Subject: Important
    Body: [empty]
    Attachment: patch.exe

  • If the contact contains a suffix of ".jp" (Japan) then the virus may construct an email with Japanese characters in the subject line.

  • Virus contains the following string which is never displayed -

    XXXXXXXXXXXXXXXXXXXXXXXXXXX
    .XXXXX I-Worm.Japanize XXXXX.
    XXXXXXXXXXXXXXXXXXXXXXXXXXX

Telemetry logoTelemetry

Detection Availability

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