Haha.rar

You receive a message from a friend saying, "haha, look at this!" with the attached file.

The golden rule of digital hygiene is to never open unexpected attachments, even from friends. If you have already downloaded a suspicious RAR file, do not extract it. Instead, experts from the Purism community and other security forums recommend uploading the file to a multi-engine scanner like VirusTotal to check for hidden threats before touching it. haha.rar

It scans your contact list and sends a copy of "haha.rar" to everyone you know, making the infection look like it came from a trusted source. You receive a message from a friend saying,

Because you trust the sender, you download and open the RAR. Instead, experts from the Purism community and other

In the early 2010s, a seemingly innocent file named "haha.rar" began circulating through instant messaging platforms like MSN Messenger and early social media. While it might look like a funny collection of memes, it is actually a well-known trojan or worm designed to hijack your computer and spread itself to your contacts. What is "haha.rar"?

It may attempt to shut down task managers or antivirus software to hide its presence.