U2k

Malware Profile Updated 2 months ago
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U2K is a malicious software (malware) that poses significant threats to computer systems and devices. It infiltrates through suspicious downloads, emails, or websites, often unbeknownst to the user, and can cause substantial damage by stealing personal information, disrupting operations, or holding data hostage for ransom. A unique feature of U2K, along with another variant TZW, is the inclusion of a specific sentence in its ransom note: "the server with your decryptor is in a closed network Tor." This phrase was not found in other malware variants, which allowed researchers to more accurately attribute these particular threats. The discovery of this unique phrase was made during a comprehensive study conducted by cybersecurity analysts at Netenrich. The research project delved into the lineage of various ransomware variants, including LOLKEK, BIT, OBZ, U2K, and TZW. The presence of the distinctive sentence in the ransom notes of U2K and TZW led to a further narrowing down of attribution, providing crucial insight into the origins and operational methods of these specific malware strains. The findings of the Netenrich study underscore the importance of continuous monitoring and analysis in the fight against cyber threats. The ability to identify unique characteristics within malware variants like U2K enables more effective tracking, attribution, and ultimately, mitigation of these harmful programs. The ongoing efforts of cybersecurity researchers play a vital role in understanding the evolving landscape of digital threats and devising strategies to counter them.
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Possible Aliases / Cluster overlaps
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IDVotesProfile Description
Tzw
3
TZW is a new strain of the Adhubllka ransomware family, which was first identified in January 2020 but had already been active since the previous year. This revelation came from researchers at Netenrich, a security and operations analytics firm, in a blog post published this week. TZW's identificati
Adhubllka
2
Adhubllka is a malware that has been active since at least 2019, but it gained more attention in January 2020. It has been used by threat group TA547 in campaigns targeting various sectors of Australia in 2020. Over the years, many samples of Adhubllka have been misclassified or mistagged into other
Miscellaneous Associations
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Tor
Ransomware
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Source Document References
Information about the U2k Malware was read from the documents corpus below. This display is limited to 20 results, create a free account to see more
SourceCreatedAtTitle
InfoSecurity-magazine
a year ago
New Study Sheds Light on ADHUBLLKA Ransomware Network
DARKReading
a year ago
Ransomware With an Identity Crisis Targets Small Businesses, Individuals
CERT-EU
a year ago
Ransomware With an Identity Crisis Targets Small Businesses, Individuals