Tk

First seen

2021-07-01 00:00:00

Malware type

ransomware

Family

Malware family

Profile updated

2026-07-07 15:57:36

Targeted industries: education-and-nonprofits financial-services healthcare-and-pharmaceutical retail-and-hospitality

Context

Tk is a notorious ransomware known for encrypting data on infected systems and demanding a ransom payment for decryption. It has targeted several sectors including financial services and healthcare, and employs strong encryption algorithms to secure its hold over victims' data.