Caution: Big Head Ransomware on the Rise—Disguised as Phony Windows Updates
July 11, 2023
Ransomware / Windows Security
A newly emerging ransomware known as Big Head is spreading via a malvertising campaign that masquerades as fake Microsoft Windows updates and Word installers. Initially identified by Fortinet FortiGuard Labs last month, multiple variants of this ransomware have been found, all designed to encrypt files on victims’ devices in exchange for cryptocurrency payments. According to Fortinet researchers, “One variant of the Big Head ransomware presents a fake Windows Update, suggesting it may also be distributed as counterfeit updates.” Another variant features a Microsoft Word icon, indicating its distribution as fraudulent software. The majority of Big Head samples reported so far are from the U.S., Spain, France, and Turkey. Recent analysis by Trend Micro has further explored this .NET-based ransomware, highlighting its capability to deploy three encrypted binaries: 1.exe for propagation…
Ransomware / Windows Security
Warning: Big Head Ransomware on the Rise via Fake Windows Updates July 11, 2023 – BreachSpot.com A new strain of ransomware known as Big Head is gaining traction, being distributed through a targeted malvertising campaign that masquerades as counterfeit Microsoft Windows updates and Word installers. This ransomware was first identified…
Caution: Big Head Ransomware on the Rise—Disguised as Phony Windows Updates
July 11, 2023
Ransomware / Windows Security
A newly emerging ransomware known as Big Head is spreading via a malvertising campaign that masquerades as fake Microsoft Windows updates and Word installers. Initially identified by Fortinet FortiGuard Labs last month, multiple variants of this ransomware have been found, all designed to encrypt files on victims’ devices in exchange for cryptocurrency payments. According to Fortinet researchers, “One variant of the Big Head ransomware presents a fake Windows Update, suggesting it may also be distributed as counterfeit updates.” Another variant features a Microsoft Word icon, indicating its distribution as fraudulent software. The majority of Big Head samples reported so far are from the U.S., Spain, France, and Turkey. Recent analysis by Trend Micro has further explored this .NET-based ransomware, highlighting its capability to deploy three encrypted binaries: 1.exe for propagation…