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Win32.HLLW.Autoruner2.39954
Added to the Dr.Web virus database:
2018-05-27
Virus description added:
2018-05-27
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Crypted' = 'wscript.exe //B "%TEMP%\Crypted.vbs"'
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Crypted' = 'wscript.exe //B "%TEMP%\Crypted.vbs"'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\Crypted.vbs
Creates the following files on removable media:
<Drive name for removable media>:\Crypted.vbs
Modifies file system:
Creates the following files:
%TEMP%\nsp2.tmp
%APPDATA%\Crypted.vbs
%APPDATA%\openvpn-client.msi
%TEMP%\29030.msi
%TEMP%\Cab3.tmp
%TEMP%\Crypted.vbs
Sets the 'hidden' attribute to the following files:
<Drive name for removable media>:\Crypted.vbs
Deletes the following files:
Network activity:
Connects to:
'wp#d':80
'download.windowsupdate.com':80
'crl.verisign.com':80
'csc3-2009-2-crl.verisign.com':80
'localhost':1043
'ah#####ar123.ddns.net':1178
TCP:
HTTP GET requests:
http://11#.#11.111.1/wpad.dat via wp#d
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootseq.txt via download.windowsupdate.com
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab via download.windowsupdate.com
http://crl.verisign.com/pca3.crl
http://csc3-2009-2-crl.verisign.com/CSC3-2009-2.crl
UDP:
DNS ASK wp#d
DNS ASK www.download.windowsupdate.com
DNS ASK crl.verisign.com
DNS ASK csc3-2009-2-crl.verisign.com
DNS ASK ah#####ar123.ddns.net
Miscellaneous:
Creates and executes the following:
'<SYSTEM32>\wscript.exe' "%APPDATA%\Crypted.vbs"
'<SYSTEM32>\wscript.exe' //B "%TEMP%\Crypted.vbs"
Executes the following:
'<SYSTEM32>\msiexec.exe' /i "%APPDATA%\openvpn-client.msi"
'<SYSTEM32>\msiexec.exe' /V
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