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Trojan.Siggen21.14304

Added to the Dr.Web virus database: 2023-08-03

Virus description added:

Technical Information

To ensure autorun and distribution
Creates or modifies the following files
  • <SYSTEM32>\tasks\powercontrol hr
Sets the following service settings
  • [HKLM\System\CurrentControlSet\Services\jqprxthb] 'Start' = '00000002'
  • [HKLM\System\CurrentControlSet\Services\jqprxthb] 'ImagePath' = '%WINDIR%\SysWOW64\jqprxthb\ecmnplou.exe /d"%HOMEPATH%\Pictures\Minor Policy\YamgqxiG6kG_Lwy6WGfdNOEp.exe"'
  • [HKLM\SYSTEM\CurrentControlSet\services\jqprxthb] 'ImagePath' = '%WINDIR%\SysWOW64\jqprxthb\ecmnplou.exe'
Creates the following services
  • 'jqprxthb' %WINDIR%\SysWOW64\jqprxthb\ecmnplou.exe /d"%HOMEPATH%\Pictures\Minor Policy\YamgqxiG6kG_Lwy6WGfdNOEp.exe"
  • 'jqprxthb' %WINDIR%\SysWOW64\jqprxthb\ecmnplou.exe
Malicious functions
To complicate detection of its presence in the operating system,
blocks execution of the following system utilities:
  • Windows Defender
adds antivirus exclusion with following registry keys:
  • [HKCU\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{3C34782F-1DC9-4308-B229-6748533AE35E}Machine\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions] 'exe' = ''
  • [HKLM\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions] 'exe' = ''
  • [HKCU\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{3E38AA3A-ECC4-4D18-8F36-F0D82C7F1C0F}Machine\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions] 'exe' = ''
  • [HKCU\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{C53503E0-3926-48D8-AF05-2EC500EF24A1}Machine\SOFTWARE\Policies\Microsoft\Windows Defender\Exclusions\Extensions] 'exe' = ''
Executes the following
  • '%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul
Injects code into
the following system processes:
  • %WINDIR%\syswow64\svchost.exe
Modifies file system
Creates the following files
  • <SYSTEM32>\grouppolicy\gpt.ini
  • %TEMP%\ixp003.tmp\b4961141.exe
  • %TEMP%\ixp003.tmp\a2849708.exe
  • %WINDIR%\syswow64\grouppolicy\gpt.ini
  • %TEMP%\ixp002.tmp\c6303691.exe
  • %TEMP%\ixp002.tmp\v1801036.exe
  • %TEMP%\wddjjsj.cpl
  • %TEMP%\ixp001.tmp\d4701627.exe
  • %TEMP%\ixp001.tmp\v5090711.exe
  • %TEMP%\ixp000.tmp\e2100272.exe
  • %TEMP%\ixp000.tmp\v5453298.exe
  • %TEMP%\ecmnplou.exe
  • %HOMEPATH%\pictures\minor policy\6fu8cvscktuefkawfhsro0ta.exe
  • %HOMEPATH%\pictures\minor policy\ia1i4ts4_eecyhkjdnrs8rjb.exe
  • %HOMEPATH%\pictures\minor policy\upjve1zuxijukpqgwcynxidt.exe
  • %ProgramFiles(x86)%\powercontrol\powercontrol_svc.exe
  • %HOMEPATH%\pictures\minor policy\fcha0r90pwte0ktuden8pohh.exe
  • %HOMEPATH%\pictures\minor policy\nfmr_0ubt6uh_7vfsxqdaopq.exe
  • %HOMEPATH%\pictures\minor policy\jgevcqk4gts5ysjdg4mhy5ym.exe
  • %HOMEPATH%\pictures\minor policy\o5puengrp5lrisgg2jc3sscs.exe
  • %HOMEPATH%\pictures\minor policy\y7uqpsxbjffzbckcusro0010.exe
  • %HOMEPATH%\pictures\minor policy\s3dhieaaaxwmv2vqbail4wx8.exe
  • %HOMEPATH%\pictures\minor policy\yamgqxig6kg_lwy6wgfdnoep.exe
  • %HOMEPATH%\pictures\minor policy\kovh8f_0t7ecjmsocw9tpsai.exe
  • %HOMEPATH%\pictures\minor policy\omtdwkfpeghzsvj4uhydkvp7.exe
  • %HOMEPATH%\pictures\minor policy\yqvp2ccztxtth547hpmhn6ks.exe
  • %HOMEPATH%\pictures\minor policy\2gj8ce377awqnylcqxm8m4x8.exe
  • %HOMEPATH%\pictures\minor policy\2ejh9xmo5o_durpa4mauuujn.exe
  • %HOMEPATH%\pictures\minor policy\orq5sfybrrqadqowbuufiwqm.exe
  • %ALLUSERSPROFILE%\ntuser.pol
  • <SYSTEM32>\grouppolicy\machine\registry.pol
  • %HOMEPATH%\pictures\minor policy\xb1imy4ojdxpderyrrzcmoc8.exe
  • %HOMEPATH%\documents\baiamad3rmzfqs3d3y5eisrw.exe
Sets the 'hidden' attribute to the following files
  • %ALLUSERSPROFILE%\tempntuser.pol
Deletes the following files
  • %ALLUSERSPROFILE%\tempntuser.pol
  • %HOMEPATH%\pictures\minor policy\s3dhieaaaxwmv2vqbail4wx8.exe
  • %HOMEPATH%\pictures\minor policy\yamgqxig6kg_lwy6wgfdnoep.exe
  • %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\0y9o17dr\siddharthabuddh4_5[1].bmp
  • %HOMEPATH%\pictures\minor policy\2ejh9xmo5o_durpa4mauuujn.exe
  • %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\0y9o17dr\pmmp[1].bmp
  • %LOCALAPPDATA%\microsoft\windows\<INETFILES>\content.ie5\qkr46vql\okka25[1].exe
Moves the following files
  • from %ALLUSERSPROFILE%\ntuser.pol to %ALLUSERSPROFILE%\tempntuser.pol
  • from %TEMP%\ecmnplou.exe to %WINDIR%\syswow64\jqprxthb\ecmnplou.exe
Substitutes the following files
  • %ALLUSERSPROFILE%\ntuser.pol
  • %ALLUSERSPROFILE%\tempntuser.pol
Network activity
Connects to
  • '94.##2.138.131':80
  • 'us.###jeoigaa.com':80
  • 'ip##s.ru':443
  • 'ip###ger.org':443
  • '19#.#69.175.128':50500
  • 'te###ram.org':443
  • 'ad####nclaeys.top':80
  • 'x1.#.lencr.org':80
  • 'x2.#.lencr.org':80
  • 'db##p.com':443
  • 'aa.###jeoogbb.com':80
  • 'dz#n.ru':443
  • '85.##8.136.10':80
  • '45.##.156.229':80
  • 'ap#.#b-ip.com':443
  • 'ma##ind.com':80
  • 'tw##ter.com':443
  • 'yandex.ru':443
  • 'ap#.#yip.com':80
  • 'ps##.#serapi.com':443
  • '95.##4.25.207':3002
  • 'ip##fo.io':443
  • 'vk.com':80
  • 'vk.com':443
  • '16#.#23.143.4':80
  • '95.##4.25.207':80
  • '77.##.124.231':80
  • '17#.#13.115.84':80
  • 'ap#.#yip.com':443
  • '87.##1.221.58':80
  • 'bu###l.store':80
  • 'zz#.##auiehgha.com':80
  • 're###oot.top':80
  • 'bu###l.store':443
  • 'su####4.userapi.com':443
  • 'su####7.userapi.com':443
  • '17#.#13.115.84':8080
  • 'hu##rsi.com':80
  • 'ma##ind.com':443
  • 'mi##########m.mail.protection.outlook.com':25
TCP
HTTP GET requests
  • http://77.##.124.231/info/photo443.exe
  • http://www.ma##ind.com/geoip/v2.1/city/me
  • http://45.##.156.229/api/tracemap.php
  • http://aa.###jeoogbb.com/check/safe
  • http://ad####nclaeys.top/412a0310f85f16ad/sqlite3.dll
  • http://us.###jeoigaa.com/sts/imagc.jpg
  • http://x2.#.lencr.org/
  • http://94.##2.138.131/api/tracemap.php
  • http://x1.#.lencr.org/
  • http://17#.##3.115.84:8080/4.php via 17#.#13.115.84
  • http://zz#.##auiehgha.com/m/okka25.exe
  • http://re###oot.top/calc2.exe
  • http://16#.#23.143.4/download/Service32.exe
  • http://87.##1.221.58/g.exe
  • http://hu##rsi.com/dl/6523.exe
  • http://95.###.25.207:3002/file.exe via 95.##4.25.207
  • http://16#.#23.143.4/download/WWW14_64.exe
Other
  • 'ap#.#yip.com':443
  • 'dz#n.ru':443
  • 'yandex.ru':443
  • 'tw##ter.com':443
  • 'te###ram.org':443
  • '19#.#69.175.128':50500
  • 'ip###ger.org':443
  • 'ip##s.ru':443
  • 'ps##.#serapi.com':443
  • 'su####7.userapi.com':443
  • 'su####4.userapi.com':443
  • 'bu###l.store':443
  • 'bu###l.store':80
  • 'vk.com':443
  • 'vk.com':80
  • 'ip##fo.io':443
  • 'sso.passport.yandex.ru':443
  • 'ma##ind.com':443
UDP
  • DNS ASK ap#.#yip.com
  • DNS ASK ap#.#b-ip.com
  • DNS ASK sso.passport.yandex.ru
  • DNS ASK dz#n.ru
  • DNS ASK aa.###jeoogbb.com
  • DNS ASK yandex.ru
  • DNS ASK tw##ter.com
  • DNS ASK db##p.com
  • DNS ASK ad####nclaeys.top
  • DNS ASK te###ram.org
  • DNS ASK ip###ger.org
  • DNS ASK ip##s.ru
  • DNS ASK us.###jeoigaa.com
  • DNS ASK x2.#.lencr.org
  • DNS ASK x1.#.lencr.org
  • DNS ASK ps##.#serapi.com
  • DNS ASK su####7.userapi.com
  • DNS ASK su####4.userapi.com
  • DNS ASK re###oot.top
  • DNS ASK bu###l.store
  • DNS ASK hu##rsi.com
  • DNS ASK zz#.##auiehgha.com
  • DNS ASK vk.com
  • DNS ASK ip##fo.io
  • DNS ASK ma##ind.com
  • DNS ASK mi##########m.mail.protection.outlook.com
Miscellaneous
Searches for the following windows
  • ClassName: 'EDIT' WindowName: ''
Creates and executes the following
  • '%HOMEPATH%\pictures\minor policy\2ejh9xmo5o_durpa4mauuujn.exe'
  • '%HOMEPATH%\pictures\minor policy\xb1imy4ojdxpderyrrzcmoc8.exe'
  • '%WINDIR%\syswow64\jqprxthb\ecmnplou.exe' /d"%HOMEPATH%\Pictures\Minor Policy\YamgqxiG6kG_Lwy6WGfdNOEp.exe"
  • '%TEMP%\ixp003.tmp\a2849708.exe'
  • '%TEMP%\ixp002.tmp\v1801036.exe'
  • '%TEMP%\ixp000.tmp\v5453298.exe'
  • '%HOMEPATH%\pictures\minor policy\fcha0r90pwte0ktuden8pohh.exe'
  • '%HOMEPATH%\pictures\minor policy\upjve1zuxijukpqgwcynxidt.exe'
  • '%HOMEPATH%\pictures\minor policy\ia1i4ts4_eecyhkjdnrs8rjb.exe'
  • '%TEMP%\ixp001.tmp\v5090711.exe'
  • '%HOMEPATH%\pictures\minor policy\yamgqxig6kg_lwy6wgfdnoep.exe'
  • '%HOMEPATH%\pictures\minor policy\nfmr_0ubt6uh_7vfsxqdaopq.exe'
  • '%HOMEPATH%\documents\baiamad3rmzfqs3d3y5eisrw.exe'
  • '%HOMEPATH%\pictures\minor policy\jgevcqk4gts5ysjdg4mhy5ym.exe'
  • '%HOMEPATH%\pictures\minor policy\s3dhieaaaxwmv2vqbail4wx8.exe'
  • '%HOMEPATH%\pictures\minor policy\o5puengrp5lrisgg2jc3sscs.exe'
  • '%HOMEPATH%\pictures\minor policy\6fu8cvscktuefkawfhsro0ta.exe'
  • '%HOMEPATH%\pictures\minor policy\yqvp2ccztxtth547hpmhn6ks.exe'
  • '%HOMEPATH%\pictures\minor policy\omtdwkfpeghzsvj4uhydkvp7.exe'
  • '%HOMEPATH%\pictures\minor policy\2ejh9xmo5o_durpa4mauuujn.exe' ' (with hidden window)
  • '%WINDIR%\syswow64\sc.exe' start jqprxthb' (with hidden window)
  • '%WINDIR%\syswow64\sc.exe' description jqprxthb "wifi internet conection"' (with hidden window)
  • '%WINDIR%\syswow64\sc.exe' create jqprxthb binPath= "%WINDIR%\SysWOW64\jqprxthb\ecmnplou.exe /d\"%HOMEPATH%\Pictures\Minor Policy\YamgqxiG6kG_Lwy6WGfdNOEp.exe\"" type= own start= auto DisplayName= "wifi support"' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\jgevcqk4gts5ysjdg4mhy5ym.exe' ' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\jqprxthb\' (with hidden window)
  • '%TEMP%\ixp001.tmp\v5090711.exe' ' (with hidden window)
  • '%TEMP%\ixp002.tmp\v1801036.exe' ' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /c timeout /t 5 & del /f /q "%HOMEPATH%\Pictures\Minor Policy\S3DHieAaaxWMV2vqBaIl4wX8.exe" & del "%ALLUSERSPROFILE%\*.dll"" & exit' (with hidden window)
  • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\ecmnplou.exe" %WINDIR%\SysWOW64\jqprxthb\' (with hidden window)
  • '%TEMP%\ixp003.tmp\a2849708.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\o5puengrp5lrisgg2jc3sscs.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\xb1imy4ojdxpderyrrzcmoc8.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\yqvp2ccztxtth547hpmhn6ks.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\nfmr_0ubt6uh_7vfsxqdaopq.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\yamgqxig6kg_lwy6wgfdnoep.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\6fu8cvscktuefkawfhsro0ta.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\omtdwkfpeghzsvj4uhydkvp7.exe' ' (with hidden window)
  • '%WINDIR%\syswow64\netsh.exe' advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="%WINDIR%\SysWOW64\svchost.exe" enable=yes>nul' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\s3dhieaaaxwmv2vqbail4wx8.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\upjve1zuxijukpqgwcynxidt.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\fcha0r90pwte0ktuden8pohh.exe' ' (with hidden window)
  • '%TEMP%\ixp000.tmp\v5453298.exe' ' (with hidden window)
  • '%HOMEPATH%\pictures\minor policy\ia1i4ts4_eecyhkjdnrs8rjb.exe' ' (with hidden window)
Executes the following
  • '<SYSTEM32>\svchost.exe' -k secsvcs
  • '<SYSTEM32>\raserver.exe' /offerraupdate
  • '%WINDIR%\syswow64\control.exe' "%TEMP%\WDDJJsJ.cpL",
  • '%WINDIR%\syswow64\cmd.exe' /c timeout /t 5 & del /f /q "%HOMEPATH%\Pictures\Minor Policy\S3DHieAaaxWMV2vqBaIl4wX8.exe" & del "%ALLUSERSPROFILE%\*.dll"" & exit
  • '%WINDIR%\syswow64\cmd.exe' /C mkdir %WINDIR%\SysWOW64\jqprxthb\
  • '%WINDIR%\syswow64\cmd.exe' /C move /Y "%TEMP%\ecmnplou.exe" %WINDIR%\SysWOW64\jqprxthb\
  • '%WINDIR%\syswow64\timeout.exe' /t 5
  • '%WINDIR%\syswow64\rundll32.exe' Shell32.dll,Control_RunDLL "%TEMP%\WDDJJsJ.cpL",
  • '%WINDIR%\syswow64\sc.exe' create jqprxthb binPath= "%WINDIR%\SysWOW64\jqprxthb\ecmnplou.exe /d\"%HOMEPATH%\Pictures\Minor Policy\YamgqxiG6kG_Lwy6WGfdNOEp.exe\"" type= own start= auto DisplayName= "wifi support"
  • '%WINDIR%\syswow64\sc.exe' description jqprxthb "wifi internet conection"
  • '%WINDIR%\syswow64\sc.exe' start jqprxthb
  • '<SYSTEM32>\rundll32.exe' Shell32.dll,Control_RunDLL "%TEMP%\WDDJJsJ.cpL",
  • '%WINDIR%\syswow64\schtasks.exe' /create /f /RU "user" /tr "%ProgramFiles(x86)%\PowerControl\PowerControl_Svc.exe" /tn "PowerControl HR" /sc HOURLY /rl HIGHEST
  • '%WINDIR%\syswow64\svchost.exe'
  • '%WINDIR%\syswow64\schtasks.exe' /create /f /RU "user" /tr "%ProgramFiles(x86)%\PowerControl\PowerControl_Svc.exe" /tn "PowerControl LG" /sc ONLOGON /rl HIGHEST

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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  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.

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