VIGILANT CLEANER
Aliases: VIGILANT CHECKER
- First seen
- 2021-07-01 00:00:00
- Malware type
- wiper
- Profile updated
- 2026-07-07 15:25:30
Targeted industries: government-and-public-sector media-and-entertainment
Targeted regions: country_code:jp
Context
Wiper malware discovered by Japanese security firm Mitsui Bussan Secure Directions (MBSD), which is assumed to target Japan, the host country of the 2021 Summer Olympics. In addition to targeting common file Office-related files, it specifically targets file types associated with the Japanese word processor Ichitaro.
Reports & references
- malpedia.caad.fkie.fraunhofer.de — Win.Vigilant Cleaner (report)
- therecord.media — Wiper Malware Targeting Japanese Pcs Discovered Ahead Of Tokyo Olympics Opening (report)
- blog.cyble.com — A Deep Dive Analysis Of A New Wiper Malware Disguised As Tokyo Olympics Document (report)
- fortinet.com — Wiper Malware Riding Tokyo Olympic Games (report)
- mbsd.jp — Blog (report)
- blog.trendmicro.co.jp — 28319 (report)