Home Malware Programs Trojans Trojan:Win32/Sirefef.O

Trojan:Win32/Sirefef.O

Posted: October 25, 2011

Threat Metric

Threat Level: 8/10
Infected PCs: 71
First Seen: October 25, 2011
OS(es) Affected: Windows

Trojan:Win32/Sirefef.O is a malicious Trojan that is used by numerous rogue anti-spyware programs to enter the targeted computer system. Once installed, Trojan:Win32/Sirefef.O drops malicious files and modifies the registry in an attempt to harm your machine. Trojan:Win32/Sirefef.O may also display fake pop-up ads and warning messages. Trojan:Win32/Sirefef.O can slow down your PC and redirect you to malicious websites.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



prueba.exe File name: prueba.exe
Size: 816B (816 bytes)
MD5: 6d65dddc14f0003e7c31e43b747ce586
Detection count: 67
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: October 27, 2011
prueba.exe File name: prueba.exe
Size: 31.04 KB (31048 bytes)
MD5: 2483bd833ac07033d9212d71d46a6acf
Detection count: 64
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
Last Updated: October 27, 2011
\\Globalroot\Device\svchost.exe\svchost.exe File name: \\Globalroot\Device\svchost.exe\svchost.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
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