Win32:Sirefef-FQ
Posted: December 11, 2012
Threat Metric
The following fields listed on the Threat Meter containing a specific value, are explained in detail below:
Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.
Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.
Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.
Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.
% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.
| Threat Level: | 9/10 |
|---|---|
| Infected PCs: | 19 |
| First Seen: | December 11, 2012 |
|---|---|
| Last Seen: | February 7, 2021 |
| OS(es) Affected: | Windows |
Win32:Sirefef-FQ is a Trojan that drops other PC threats on the targeted computer. Win32:Sirefef-FQ uses rootkit techniques to cover its existence on the infected computer system while disguising its files and modules. rootkit will invade the victimized machine if the PC user opens an attached file added to a spam email message. Win32:Sirefef-FQ can also circulate through a variety of explicit websites and file-servers. When the PC user opens the file infected with Win32:Sirefef-FQ, it runs a malicious code that will harm a part of the affected computer system and reduce overall PC performance. Win32:Sirefef-FQ slows down Internet connection when it attempts to download other malware infections from a remote server. All activities of Win32:Sirefef-FQ are hidden; therefore, victims will not notice them on the corrupted PC. Win32:Sirefef-FQ deletes some file, leads to browser redirects, and blocks access to files and programs. Win32:Sirefef-FQ opens a backdoor that enables attackers to gain remote access over the targeted computer. Win32:Sirefef-FQ enables attackers to download and execute files, which results in other risks.
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:0da901be0252bb583de140cde4f678c1
File name: 0da901be0252bb583de140cde4f678c1Size: 65.53 KB (65536 bytes)
MD5: 0da901be0252bb583de140cde4f678c1
Detection count: 47
Group: Malware file
Last Updated: March 5, 2013
fb6be40c36a7588423242259e4859e8f
File name: fb6be40c36a7588423242259e4859e8fSize: 28.7 KB (28704 bytes)
MD5: fb6be40c36a7588423242259e4859e8f
Detection count: 46
Group: Malware file
Last Updated: March 5, 2013
d3d9ab19551b4095e14edbd73e6b1cc8
File name: d3d9ab19551b4095e14edbd73e6b1cc8Size: 28.7 KB (28704 bytes)
MD5: d3d9ab19551b4095e14edbd73e6b1cc8
Detection count: 45
Group: Malware file
Last Updated: March 5, 2013
C:\TDSSKiller_Quarantine\06.02.2021_17.06.08\zasubsys0000\zafs0000\tsk0000.dta
File name: tsk0000.dtaSize: 4.09 KB (4096 bytes)
MD5: 878f9b6da85cb98fcbdf6abd1730a32f
Detection count: 9
Mime Type: unknown/dta
Path: C:\TDSSKiller_Quarantine\06.02.2021_17.06.08\zasubsys0000\zafs0000\tsk0000.dta
Group: Malware file
Last Updated: February 7, 2021
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