Win32.HLLW.Siggen.5846
Added to the Dr.Web virus database:
2016-05-16
Virus description added:
2016-05-16
Technical Information
To ensure autorun and distribution:
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\webserver] 'ImagePath' = '%ProgramFiles%\webserver\webserver.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\webserver] 'Start' = '00000002'
Malicious functions:
Executes the following:
- '<SYSTEM32>\netsh.exe' firewall add portopening TCP 4000 webserver ENABLE
- '<SYSTEM32>\netsh.exe' firewall add portopening TCP 53 webserver ENABLE
- '<SYSTEM32>\sc.exe' create "webserver" binPath= "%ProgramFiles%\webserver\webserver.exe" type= share start= auto
- '<SYSTEM32>\reg.exe' add HKLM\Software\Microsoft\Windows\CurrentVersion /v Port /t REG_DWORD /d 96
- '<SYSTEM32>\netsh.exe' add allowedprogram "%ProgramFiles%\webserver\webserver.exe" webserver ENABLE
- '<SYSTEM32>\netsh.exe' firewall add portopening TCP 96 webserver ENABLE
Modifies file system:
Creates the following files:
- %ProgramFiles%\webserver\webserver.exe
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