
Think twice before opening unexpected WhatsApp attachments—a new kind of malware attack has let hackers seize control of Windows PCs simply through a single, seemingly harmless file. Here’s how the scheme works and what steps can help protect you.
How a Simple WhatsApp File Opens the Door
It starts with a message on WhatsApp that includes what appears to be a regular .vbs file. VBScript has long been a part of Windows, built to automate day-to-day computer tasks. But attackers have weaponized this familiar file type: once opened, the script launches malware automatically—no further user action is needed, and there’s typically no warning.
This malware doesn’t immediately download shady programs from the internet. Instead, it searches your PC for legitimate Windows utilities like curl.exe and bitsadmin.exe. The malware renames these tools to mimic routine system files and hides them in the C:ProgramData folder, which is usually out of sight.
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