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Win32.HLLW.Autoruner3.2338
Added to the Dr.Web virus database:
2020-06-04
Virus description added:
2020-06-06
Technical Information
To ensure autorun and distribution
Modifies the following registry keys
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'winupdate' = '"<Full path to file>"'
Creates or modifies the following files
<SYSTEM32>\tasks\winupdate
<SYSTEM32>\tasks\windowssystemhost
Creates the following files on removable media
<Drive name for removable media>:\autorun.inf
Modifies file system
Creates the following files
%APPDATA%\winupdate\svchost.exe
%APPDATA%\updatedump\06-04-2020
C:\autorun.inf
D:\autorun.inf
Sets the 'hidden' attribute to the following files
%APPDATA%\winupdate\svchost.exe
Network activity
Connects to
'mo######etwork01.ddns.net':3389
'<LOCALNET>.2.12':3389
TCP
UDP
DNS ASK ip##pi.com
DNS ASK mo######etwork01.ddns.net
Miscellaneous
Creates and executes the following
'%APPDATA%\winupdate\svchost.exe'
'%WINDIR%\syswow64\schtasks.exe' /create /tn "WINDOWSSYSTEMHOST" /tr "%APPDATA%\winupdate\svchost.exe" /sc MINUTE /MO 1' (with hidden window)
'%APPDATA%\winupdate\svchost.exe' ' (with hidden window)
Executes the following
'%WINDIR%\syswow64\schtasks.exe' /create /tn "winupdate" /sc ONLOGON /tr "<Full path to file>" /rl HIGHEST /f
'%WINDIR%\syswow64\schtasks.exe' /create /tn "winupdate" /sc ONLOGON /tr "%APPDATA%\winupdate\svchost.exe" /rl HIGHEST /f
'%WINDIR%\syswow64\schtasks.exe' /create /tn "WINDOWSSYSTEMHOST" /tr "%APPDATA%\winupdate\svchost.exe" /sc MINUTE /MO 1
'<SYSTEM32>\taskeng.exe' {0337CCDB-5463-4965-BCF7-9E0EDA3F30CE} S-1-5-21-1960123792-2022915161-3775307078-1001:uzoxskrps\user:Interactive:[1]
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