Outbreak Alert – Lookslike.Win32.Sirefef.u

Outbreak Alerts by StopSign let you know when specific malware infections are trending, give you info about what they do, and tips on how to avoid them.

What Lookslike.Win32.Sirefef.u Does:

• Restricts access to the infected machine until the user provides credit card information
• Significantly slows down the infected machine
• Displays false error messages

How It Infects:

• Can be distributed by any means, including but not limited to: Email attachments, instant message attachments, infected websites, infected media or document files, peer-to-peer file sharing networks, or even downloaded by other malware
• Infection can also be found in hyperlinks to infected websites from email, instant messages, and social networking messages or posts

How To Avoid Infection:

• Use extreme caution when you receive a link or attachment from anyone, even those you know
• Do not download unknown files or files from unknown sources
• If using StopSign, be sure that the On-Access Scan is installed and enabled
• Scan all downloaded files with a malware threat scanner, such as StopSign, before executing them
• Ensure that all updates are installed from Microsoft Update to help protect against vulnerabilities in the operating system

Type: Trojan

Technical Name: Lookslike.Win32.Sirefef.u

Aliases:

• Variant of Win32/Kryptik.APJK
• BackDoor.Maxplus.7107
• Backdoor.Win32.ZAccess.adiv
• Trojan:Win32/Sirefef.P
• Trojan.Win32.A.PornoAsset.184832.FA