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In 2021, Kaspersky ICS CERT experts noticed a growing number of anomalous spyware attacks infecting ICS computers across the globe.
Although the malware used in these attacks belongs to well-known commodity spyware families, these attacks stand out from the mainstream due to a very limited number of targets in each attack and a very short lifetime of each malicious sample.…
Ryuk is a ransomware that encrypts a victim’s files and requests payment in Bitcoin cryptocurrency to release the keys used for encryption. Ryuk is used exclusively in targeted ransomware attacks.
Ryuk was first observed in August 2018 during a campaign that targeted several enterprises.…
Cuba ransomware is an older ransomware, that has recently undergone some development. The actors have incorporated the leaking of victim data to increase its impact and revenue, much like we have seen recently with other major ransomware campaigns.
In our analysis, we observed that the attackers had access to the network before the infection and were able to collect specific information in order to orchestrate the attack and have the greatest impact.…
Babuk ransomware is a new ransomware threat discovered in 2021 that has impacted at least five big enterprises, with one already paying the criminals $85,000 after negotiations. As with other variants, this ransomware is deployed in the network of enterprises that the criminals carefully target and compromise.…