Trojan:Win64/Sirefef.U
Posted: July 18, 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: | 8/10 |
|---|---|
| Infected PCs: | 124 |
| First Seen: | July 18, 2012 |
|---|---|
| Last Seen: | November 7, 2021 |
| OS(es) Affected: | Windows |
Trojan:Win64/Sirefef.U is a Trojan that contains rootkit capabilities and, thus, is hard to detect and remove by many security tools from the infected computer system. Trojan:Win64/Sirefef.U allows cybercriminals to steal and use your personal information such as passwords, user names, banking information, social security numbers, and many other for malicious intentions. Trojan:Win64/Sirefef.U can download and install other malware threats on the affected PC. Trojan:Win64/Sirefef.U infiltrates into the targeted computer surreptitiously and, once installed, displays a pop-up security alert. Trojan:Win64/Sirefef.U changes system settings, blocks access to security-related programs, deletes files, kills processes, modifies the Registry. Trojan:Win64/Sirefef.U is also used by attackers to spread rogue anti-spyware applications called Live Security Platinum and Smart Fortress 2012.
Aliases
More aliases (42)
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:%USERPROFILE%\8cac82a0-5016.exe
File name: 8cac82a0-5016.exeSize: 52.22 KB (52224 bytes)
MD5: 1bb937cb420ef7fb9772d6b98df99a61
Detection count: 44
File type: Executable File
Mime Type: unknown/exe
Path: %USERPROFILE%
Group: Malware file
Last Updated: July 20, 2012
C:\TDSSKiller_Quarantine\06.02.2021_17.06.08\zaea0000\svc0000\tsk0000.dta
File name: tsk0000.dtaSize: 6.65 KB (6656 bytes)
MD5: 5f22132c9153639762708909f156b33d
Detection count: 33
Mime Type: unknown/dta
Path: C:\TDSSKiller_Quarantine\06.02.2021_17.06.08\zaea0000\svc0000\tsk0000.dta
Group: Malware file
Last Updated: November 7, 2021
%TEMP%\0074b1b4.exe
File name: 0074b1b4.exeSize: 553.12 KB (553124 bytes)
MD5: dfb318a578131999f46d540c08e025dc
Detection count: 33
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: July 20, 2012
Additional Information
| # | Message |
|---|---|
| 1 | Security Monitor: WARNING! Attention! System detected a potential hazard (TrojanSPM/LX) on your computer that may infect executable files. Your private information and PC safety is at risk. To get rid of unwanted spyware and keep your computer safe you need to update your current security software. Click Yes to download official intrusion detection system (IDS software). |
| 2 | Warning! Application cannot be executed. The file rdpclip.exe is infected. Please active your antivirus software. |
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