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grief

Doppelpaymer is a ransomware family that encrypts user data and later on it asks for a ransom in order to restore original files. It is recognizable by its trademark file extension added to encrypted files: .doppeled. It also creates a note file named: ".how2decrypt.txt".

How we source and review actor profiles
Motivation
ransomware
Last seen
2021-06-30
Sectors
education
Status
Dormant

Activity timeline

A dated ledger of actor-claimed victims, campaigns, indicators, identity mappings, relationships, and CVE links. Each date states what it measures. For extensive leak-site histories, victim entries are limited to the 100 most recent distinct listings.

Claimed
Victim claimBooneville School District listed by grief

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
Last observed
Indicator1 indicator cataloged

Types: onion.

Claimed
Victim claimLancaster Independent School District listed by grief

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed
Claimed
Victim claimClover Park School District listed by grief

Actor-claimed victim evidence. This listing is not independent confirmation of compromise.

Actor Claimed

Identity and attribution

Exact names and tracking identifiers resolve to this canonical profile. Rebrands, affiliations, and overlapping clusters remain separate confidence-rated relationships.

Name map

griefCanonical Name

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