A new type of crypter called ScrubCrypt has been discovered by security researchers. ScrubCrypt is being used by threat actors in malvertising campaigns to evade detection by antivirus software. The crypter is designed to encrypt malicious payloads, making it difficult for antivirus programs to detect them. The encrypted payloads are then delivered via online ads, exploiting vulnerabilities in browsers or plugins to download and execute malware on victim machines.
ScrubCrypt is unique in its use of a custom algorithm to generate unique encryption keys for each payload, making it harder to detect and analyze. The crypter is also designed to detect and evade virtual environments, which are commonly used by researchers to analyze malware samples. The researchers advise users to keep their antivirus software up-to-date and to be cautious when clicking on online ads.
Source: The Hacker News
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