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Backdoor.Necurs

Posted: January 15, 2014

Threat Metric

Threat Level: 6/10
Infected PCs: 98,394
First Seen: January 15, 2014
Last Seen: December 7, 2024
OS(es) Affected: Windows

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:



C:\Users\<username>\AppData\Local\Temp\ecd992a7.tmp File name: ecd992a7.tmp
Size: 253.95 KB (253952 bytes)
MD5: 0756b23d32f9ab95a4f0b0682277612e
Detection count: 2,712
File type: Temporary File
Mime Type: unknown/tmp
Path: C:\Users\<username>\AppData\Local\Temp\ecd992a7.tmp
Group: Malware file
Last Updated: February 5, 2022
C:\Users\<username>\AppData\Local\Temp\KB1357552703.exe File name: KB1357552703.exe
Size: 233.47 KB (233472 bytes)
MD5: 5fcf43009cd3c277bdc04b51f5bc59ff
Detection count: 527
File type: Executable File
Mime Type: unknown/exe
Path: C:\Users\<username>\AppData\Local\Temp\KB1357552703.exe
Group: Malware file
Last Updated: November 24, 2023
C:\Windows\Installer\{2C8A20CF-AE11-4419-A818-3A5F87C82D61}\syshost.exe File name: syshost.exe
Size: 133.58 KB (133583 bytes)
MD5: 4a14bd6ca87a5ae21727a79f284f3daa
Detection count: 215
File type: Executable File
Mime Type: unknown/exe
Path: C:\Windows\Installer\{2C8A20CF-AE11-4419-A818-3A5F87C82D61}\syshost.exe
Group: Malware file
Last Updated: April 8, 2023
%WINDIR%\System32\drivers\fedd070d593dddc9.sys File name: fedd070d593dddc9.sys
Size: 60.88 KB (60888 bytes)
MD5: 410582586e860d070868120d88b40321
Detection count: 51
File type: System file
Mime Type: unknown/sys
Path: %WINDIR%\System32\drivers
Group: Malware file
Last Updated: May 19, 2014

More files

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\..\..{RegistryKeys}SYSTEM\ControlSet001\Services\syshost32SYSTEM\ControlSet002\Services\syshost32SYSTEM\CurrentControlSet\Services\syshost32
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