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Trojan.Siggen31.64064

Added to the Dr.Web virus database: 2025-10-17

Virus description added:

Technical Information

Malicious functions
Launches a large number of processes
Modifies file system
Creates the following files
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb0e-a84.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb0f-7e4.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb0f-508.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb10-8a4.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb12-488.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb14-518.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb16-3d4.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb1e-cc4.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb1e-ec4.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f2bb1e-c10.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f237fe-138c.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f23802-a74.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f23802-11c0.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f23802-13f8.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f23802-1308.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f23803-65c.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000002
  • %LOCALAPPDATA%\microsoft\edge\user data\default\000002.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\log
  • %LOCALAPPDATA%\microsoft\edge\user data\browsermetrics\browsermetrics-68f23803-120c.pma
  • %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\index
  • %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_2
  • %LOCALAPPDATA%\microsoft\edge\user data\default\gpucache\data_3
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cookies-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cookies
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\index
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_2
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\data_3
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000003.log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\manifest-000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000003.log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\reporting and nel
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000001
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000002
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\3cfbeb6a5c2ec626_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\a9b7a3e2f0f20e98_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000003
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\28a48891b2957019_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\0dff7b0f9327754f_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000004
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\23d875217cf4693b_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\39e34a39ae6371dc_0
  • %TEMP%\fd85f6e2-26ae-4d2d-9cb8-b23ac9ffdf10.tmp
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\db7adf00858d3a4c_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000005
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\9cdb4b4ff9074881_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\ed5c687e1b764b1e_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\be265a5af05b16c2_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\5a19b0261b47b5e1_0
  • %TEMP%\fa86b503-5579-4bc1-bc55-e71952c4c7d3.tmp
  • %LOCALAPPDATA%\microsoft\edge\user data\functional data-wal
  • %LOCALAPPDATA%\microsoft\edge\user data\functional san data-wal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000006
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\f0701477a9c9e0d0_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\6837d1e575b6f996_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000007
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000008
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_000009
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\3a440cb389826768_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\code cache\js\0d401c586f5f7442_0
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_00000a
  • %LOCALAPPDATA%\microsoft\edge\user data\default\cache\f_00000b
Deletes following files that it created itself
  • %LOCALAPPDATA%\microsoft\edge\user data\default\manifest-000001
Moves the following files
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\shared_proto_db\metadata\current
  • from %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\000001.dbtmp to %LOCALAPPDATA%\microsoft\edge\user data\default\session storage\current
Modifies the following files
  • %LOCALAPPDATA%\microsoft\edge\user data\last version
  • %LOCALAPPDATA%\microsoft\edge\user data\grshadercache\gpucache\index
  • %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\sync data\leveldb\000003.log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\site characteristics database\log
  • %LOCALAPPDATA%\microsoft\edge\user data\default\web data-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\web data
  • %LOCALAPPDATA%\microsoft\edge\user data\default\history-journal
  • %LOCALAPPDATA%\microsoft\edge\user data\default\visited links
  • %LOCALAPPDATA%\microsoft\edge\user data\default\history
  • %LOCALAPPDATA%\microsoft\edge\user data\default\local storage\leveldb\000003.log
  • %LOCALAPPDATA%\microsoft\tokenbroker\cache\9cd93bc6dcf544bae69531052e64647ec02f2bb4.tbres
  • %TEMP%\.ses
Substitutes the following files
  • %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Local Storage\leveldb\LOG
  • %LOCALAPPDATA%\Microsoft\Edge\User Data\Default\Platform Notifications\LOG
Network activity
Connects to
  • 'co####.edge.skype.com':443
  • 'sp######012.blog.163.com':80
  • 'os.##og.163.com':80
  • 'sh####.ydstatic.com':80
  • 'ur#####j.nosdn.127.net':80
  • 'b1.##t.126.net':80
  • 'q.###g.163.com':80
  • 'ur#####j.nosdn.127.net':443
  • 'ca####s.digicert.cn':80
  • 't.##3.com':80
  • 'ap#.##og.163.com':80
  • 'ph###.163.com':80
  • 'go####.youdao.com':80
  • 't.##3.com':443
  • 'ji####jy.lofter.com':80
  • 'ph###.163.com':443
  • 'b.###.126.net':80
  • 'go#####a###ytics.com':80
  • 'xh#####r.blog.163.com':80
  • 'im####.lf127.net':443
  • 'go#####a###ytics.com':443
  • 'pk#.goog':80
  • 'yt####.ws.126.net':443
TCP
HTTP GET requests
  • http://sh####.ydstatic.com/js/yadk/1.1.1.js
  • http://ur#####j.nosdn.127.net/webzj_cdn101/message.js
  • http://ca####s.digicert.cn/DigiCertGlobalRootCA.crt
  • http://www.go#####a###ytics.com/a###ytics.js
  • http://pk#.goog/gsr1/gsr1.crt
  • http://b.###.126.net/newpage/style/mbox/6/img/background.gif
HTTP POST requests
  • http://ap#.##og.163.com/sphrbeu2012/dwr/call/plaincall/MusicBeanNew.setCopyrightMusicSessionToken.dwr
  • http://ap#.##og.163.com/sphrbeu2012/dwr/call/plaincall/SetupBeanNew.getResourceModulesData.dwr
  • http://ap#.##og.163.com/sphrbeu2012/dwr/call/plaincall/HomeBeanNew.getAccessStatistics.dwr
  • http://ap#.##og.163.com/sphrbeu2012/dwr/call/plaincall/UserBeanNew.getVisitor.dwr
  • http://ap#.##og.163.com/sphrbeu2012/dwr/call/plaincall/BlogBeanNew.getRecentCommentsByOffset.dwr
  • http://ap#.##og.163.com/sphrbeu2012/dwr/call/plaincall/MusicBeanNew.getPlayList.dwr
  • http://ap#.##og.163.com/sphrbeu2012/dwr/call/plaincall/BlogBeanNew.getBlogClasses.dwr
  • http://ap#.##og.163.com/bgs/dwr/call/plaincall/BgsBean.getBgsUserByUserId.dwr
Other
  • 'co####.edge.skype.com':443
  • 'ur#####j.nosdn.127.net':443
  • 't.##3.com':443
  • 'ph###.163.com':443
  • 'ca####s.digicert.cn':443
  • 'go#####a###ytics.com':443
UDP
  • DNS ASK co####.edge.skype.com
  • DNS ASK sp######012.blog.163.com
  • DNS ASK os.##og.163.com
  • DNS ASK b2.##t.126.net
  • DNS ASK sh####.ydstatic.com
  • DNS ASK ma##.163.com
  • DNS ASK ji####jy.lofter.com
  • DNS ASK bl##.163.com
  • DNS ASK mu###.163.com
  • DNS ASK q.###g.163.com
  • DNS ASK ur#####j.nosdn.127.net
  • DNS ASK b1.##t.126.net
  • DNS ASK lo##er.com
  • DNS ASK yx#.163.com
  • DNS ASK zc.##g.163.com
  • DNS ASK ca####s.digicert.cn
  • DNS ASK ap#.##og.163.com
  • DNS ASK ph###.163.com
  • DNS ASK t.##3.com
  • DNS ASK go####.youdao.com
  • DNS ASK b.###.126.net
  • DNS ASK cy#####xiyue.lofter.com
  • DNS ASK im####.lofter.com
  • DNS ASK qi#######gyue84037.lofter.com
  • DNS ASK go#####a###ytics.com
  • DNS ASK be######iao.blog.163.com
  • DNS ASK ch#####wyc.blog.163.com
  • DNS ASK ha#.#.blog.163.com
  • DNS ASK hm#####.blog.163.com
  • DNS ASK hy#####.blog.163.com
  • DNS ASK qt##.#log.163.com
  • DNS ASK in#####.blog.163.com
  • DNS ASK re#####25.blog.163.com
  • DNS ASK sn######line1.blog.163.com
  • DNS ASK wa#####812.blog.163.com
  • DNS ASK wh#####.blog.163.com
  • DNS ASK x3#####g.blog.163.com
  • DNS ASK xh#####r.blog.163.com
  • DNS ASK ax##ei.com
  • DNS ASK he##.com
  • DNS ASK yo######09582752.lofter.com
  • DNS ASK yu######uan16720.lofter.com
  • DNS ASK xi######iaomao.lofter.com
  • DNS ASK im####.lf127.net
  • DNS ASK wi###itong.cn
  • DNS ASK g.##3.com
  • DNS ASK pk#.goog
  • DNS ASK yt####.ws.126.net
Miscellaneous
Searches for the following windows
  • ClassName: 'Chrome_MessageWindow' WindowName: '%LOCALAPPDATA%\Microsoft\Edge\User Data'
Executes the following
  • '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --single-argument http://sphrbeu2012.blog.163.com/
  • '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --flag-switches-begin --flag-switches-end --do-not-de-elevate http://sphrbeu2012.blog.163.com/
  • '%ProgramFiles(x86)%\microsoft\edge\application\msedge.exe' --flag-switches-begin --flag-switches-end --do-not-de-elevate http://sphrbeu2012.blog.163.com/' (with hidden window)

Curing recommendations

  1. 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.
  2. 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.
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Use Dr.Web Anti-virus for macOS to run a full scan of your Mac.

After booting up, run a full scan of all disk partitions with Dr.Web Anti-virus for Linux.

Download Dr.Web

Download by serial number

  1. 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.
  2. 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