Trojan:Win64/Sirefef.C
Posted: December 6, 2011
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 |
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Infected PCs: | 162 |
First Seen: | December 6, 2011 |
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Last Seen: | June 6, 2022 |
OS(es) Affected: | Windows |
Trojan:Win64/Sirefef.C is a Trojan-dropper which is installed by a similar Trojan, another Trojan-dropper, Trojan:Win64/Sirefef.J. Trojan:Win64/Sirefef.C infects the targeted computer system by exploiting security vulnerabilities. The main aim of Trojan:Win64/Sirefef.C is to access the kernel mode, which would compromise the PC and allow hackers to obtain access and control over the affected machine. Trojan:Win64/Sirefef.C can also download and install additional malware threats. Trojan:Win64/Sirefef.C may also try to avoid detection and removal by security software. Trojan:Win64/Sirefef.C may collect your personal information and send it to remote attackers. Get rid of Trojan:Win64/Sirefef.C as soon as possible.
Aliases
More aliases (160)
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:%WINDIR%\system32\config\systemprofile\Local Settings\Temp\332120sys.dll
File name: 332120sys.dllSize: 116.24 KB (116248 bytes)
MD5: 029cba18bd7b95e70c6fe7c30d4f0a22
Detection count: 74
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32\config\systemprofile\Local Settings\Temp
Group: Malware file
Last Updated: December 8, 2011
%TEMP%\igfxtrey.exe
File name: igfxtrey.exeSize: 23.04 KB (23040 bytes)
MD5: ede045096826961e99e16947f886ddce
Detection count: 71
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%
Group: Malware file
Last Updated: December 7, 2011
%WINDIR%\System32\drivers\i8042prt.sys
File name: i8042prt.sysSize: 54.78 KB (54784 bytes)
MD5: 921581c833f0bf071a6cfe8b3f7d0a13
Detection count: 64
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: December 12, 2011
%LOCALAPPDATA%\ba51f720\X
File name: XSize: 41.98 KB (41984 bytes)
MD5: 19c4b4657a8b9ce41711b21769bfa3fa
Detection count: 46
Path: %LOCALAPPDATA%\ba51f720
Group: Malware file
Last Updated: March 21, 2013
C:\Qoobox\Quarantine\C\Users\<username>\AppData\Local\2aecbf38\X.vir
File name: X.virSize: 42.49 KB (42496 bytes)
MD5: 686b479b0ee164cf1744a8be359ebb7d
Detection count: 40
Mime Type: unknown/vir
Path: C:\Qoobox\Quarantine\C\Users\<username>\AppData\Local\2aecbf38\X.vir
Group: Malware file
Last Updated: May 20, 2021
%WINDIR%\System32\drivers\netbt.sys
File name: netbt.sysSize: 185.85 KB (185856 bytes)
MD5: 1354f9630a38c5fc2a72370d8a304d81
Detection count: 26
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: December 7, 2011
%LOCALAPPDATA%\84c72de9\X
File name: XSize: 39.93 KB (39936 bytes)
MD5: 637afbfb8b64d99ea55e5896e7d0f5d4
Detection count: 16
Path: %LOCALAPPDATA%\84c72de9
Group: Malware file
Last Updated: December 6, 2011
%WINDIR%\System32\drivers\smb.sys
File name: smb.sysSize: 66.56 KB (66560 bytes)
MD5: 58a8e2f69395757cb83015e9cdd63935
Detection count: 12
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: December 8, 2011
%WINDIR%\System32\drivers\netbt.sys
File name: netbt.sysSize: 185.85 KB (185856 bytes)
MD5: 780ad60738607d383fbebe006f82d1cd
Detection count: 12
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: December 12, 2011
%WINDIR%\System32\drivers\netbt.sys
File name: netbt.sysSize: 187.9 KB (187904 bytes)
MD5: 639555df61917d90d6d9562d7ee55182
Detection count: 9
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: December 12, 2011
%WINDIR%\System32\drivers\dfsc.sys
File name: dfsc.sysSize: 75.26 KB (75264 bytes)
MD5: 1aff6ec8ec2538bf22fc12b7d6a5013e
Detection count: 9
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: December 12, 2011
%WINDIR%\System32\drivers\cdrom.sys
File name: cdrom.sysSize: 67.07 KB (67072 bytes)
MD5: 80c3460c8df995980488fe3bcb62afaa
Detection count: 7
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: December 8, 2011
C:\Users\<username>\AppData\Local\f60161b6\X
File name: XSize: 42.49 KB (42496 bytes)
MD5: be40a2578e862f1cecc9b9194f524201
Detection count: 7
Path: C:\Users\<username>\AppData\Local\f60161b6\X
Group: Malware file
Last Updated: June 6, 2022
%APPDATA%\ydze.exe
File name: ydze.exeSize: 135.68 KB (135680 bytes)
MD5: 33a0ce99c5b02058fe6a3eff83c8627e
Detection count: 5
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%
Group: Malware file
Last Updated: December 12, 2011
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