ValleyRAT Backdoor Hides in Signed Adware That Users Add to Antivirus Exclusions

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ValleyRAT Backdoor Hides in Signed Adware That Users Add to Antivirus Exclusions

August 31, 2026 dirk 0 Comments 3 tags

ValleyRAT Backdoor Hides in Signed Adware That Users Add to Antivirus Exclusions

The threat actor known as Silver Fox has been observed distributing the ValleyRAT backdoor disguised as a signed Chinese adware application, running the malware under a trusted process to slip past users who add such software to their antivirus exclusions.

Russian cybersecurity vendor Kaspersky said the attackers built the disguise around QN Wallpaper, a genuine Chinese desktop-wallpaper tool

Source: The Hacker News

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