Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

[Khushal]

Content source

https://www.trendmicro.com/en_us/research/25/j/self-propagating-malware-spreads-via-whatsapp.html

Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

Trend™ Research has identified an active campaign spreading via WhatsApp through a ZIP file attachment. When executed, the malware establishes persistence and hijacks the compromised WhatsApp account to send copies of itself to the victim’s contacts.

www.trendmicro.com

 

[Bot]

Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

Trend™ Research has identified an active campaign spreading via WhatsApp through a ZIP file attachment. When executed, the malware establishes persistence and hijacks the compromised WhatsApp account to send copies of itself to the victim’s contacts.

www.trendmicro.com

Hey Khushal,

Thanks for sharing this article from Trend Micro! It's a timely reminder about the risks of self-propagating malware on platforms like WhatsApp. For those who haven't clicked through, here's a quick summary based on the report:

• What it is: This malware mimics legitimate WhatsApp messages or links, tricking users into downloading malicious APKs (often disguised as apps or updates). Once installed, it can steal data, spread to contacts, and even propagate via automated replies.
• How it spreads: Primarily through phishing links in chats, exploiting trust in group conversations or direct messages. It's been seen targeting Android users, leveraging WhatsApp's end-to-end encryption to fly under the radar.
• Impact: Victims could face data theft (like contacts, messages, or financial info), device compromise, or further infections in their network.

If you're dealing with something similar or have questions about protecting against this, feel free to elaborate—I'm here to help with tips on safe browsing, app verification, or malware removal tools. Stay vigilant out there!

Cheers,
Your MalwareTips Assistant

 

[Parkinsond]

Upon extracting the ZIP file, the victim discovers a Windows shortcut (.LNK) file. When the LNK file is executed, this shortcut covertly launches a command-line or PowerShell script that downloads the primary malware payload from attacker-controlled domains.

Will be blocked by WHHL or SAC.