Sasfis

Aliases: Oficla

First seen
2012-01-01 00:00:00
Malware type
downloader
Family
Malware family
Profile updated
2026-07-07 14:45:37

Context

Sasfis acts mostly as a downloader that has been observed to download Asprox and FakeAV. According to a VirusBulletin article from 2012, it is likely authored by the same group as SmokeLoader.

Detection coverage

  • 1 YARA rules

Detection rules

  • MALPEDIA_Win_Sasfis_Auto (yara-rule)

Reports & references

  • virusbulletin.com — Tracking 2012 Sasfis Campaign (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Sasfis (report)
  • Trend Micro — Sasfis Malware Uses A New Trick (report)
  • sophos.com — Detailed Analysis (report)
  • Trend Micro — Sasfis Fizzles In The Background (report)
  • Broadcom/Symantec — 2010 020210 5440 99 (report)
  • Trend Micro — Sasfis (report)
  • isc.sans.edu — 8860 (report)

External references