Guloader Malware Spread via Phishing Emails Disguised as Performance Reports

Guloader Malware Spread via Phishing Emails Disguised as Performance Reports

First seen 12 Jan 2026, 10:07 UTC •Asec.AhnlabGbhackersCybersecuritynewsCyberpressHackread •82% similarity •36.9

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A new phishing campaign is distributing Guloader malware through emails that appear to be employee performance reports for October 2025. The emails claim to inform recipients about potential dismissals, prompting them to open malicious attachments. Organizations are being warned about this tactic used by threat actors to compromise systems.

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GuLoader Remcos Remcos RAT