Search threats, CVEs… ⌘K
← Back to all threat actors

Contagious Interview

Also known as DeceptiveDevelopment, Gwisin Gang, Tenacious Pungsan, DEV#POPPER, PurpleBravo, TAG-121
Tracked as G1052

Contagious Interview is a North Korea–aligned threat group active since 2023. The group conducts both cyberespionage and financially motivated operations, including the theft of cryptocurrency and user credentials. Contagious Interview targets Windows, Linux, and macOS systems, with a particular focus on individuals engaged in software development and cryptocurrency-related activities.

How we source and review actor profiles
Motivation
cybercrime
Status
Active

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.

Cataloged
IdentityTracking identifier: G1052

Reviewed identity mapping approved on this date.

Cataloged
IdentityAlias: DeceptiveDevelopment

Reviewed identity mapping approved on this date.

Cataloged
IdentityAlias: Gwisin Gang

Reviewed identity mapping approved on this date.

Cataloged
IdentityAlias: Tenacious Pungsan

Reviewed identity mapping approved on this date.

Cataloged
IdentityAlias: DEV#POPPER

Reviewed identity mapping approved on this date.

Cataloged
IdentityAlias: PurpleBravo

Reviewed identity mapping approved on this date.

Cataloged
IdentityAlias: TAG-121

Reviewed identity mapping approved on this date.

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

Contagious InterviewCanonical Name
DEV#POPPERAlias
DeceptiveDevelopmentAlias
Gwisin GangAlias
PurpleBravoAlias
TAG-121Alias
Tenacious PungsanAlias
G1052Tracking Id

Loading CVEs, techniques, indicators, malware, victims, and activity...