Trojan:Win32/Acbot.A is a trojan that posts messages to certain social media websites that you might access using a web browser. The messages posted by Trojan:Win32/Acbot.A contain a link to a copy of the trojan.

Worm:Win32/Vobfus.MD is a worm that spreads via removable drives and downloads additional malware from a remote server. It is a member of the Win32/Vobfus family.

We have observed Worm:Win32/Vobfus.MD attempting to download variants of TrojanDownloader:Win32/Beebone (a trojan that downloads other malware, including variants of the Win32/Acbot family of trojans that spread through social media websites).

TrojanDownloader:Win32/Beebone.gen!A is an obfuscated trojan, written in Visual Basic (VB), that downloads other malware.

Windows Defender detects and removes this threat.

The threat is a family of Visual Basic-compiled trojan downloaders that download and run other malware, such as: 

• Win32/Fareit
• Trojan:Win32/Necurs
• Win32/Sirefef
• Win32/Vobfus

• Win32/Zbot

Find out ways that malware can get on your PC.