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Exploit.Siggen3.51547

Added to the Dr.Web virus database: 2025-05-08

Virus description added:

Technical Information

Malicious functions
Executes the following (exploit)
  • '%ProgramFiles(x86)%\opera\launcher.exe' -noautoupdate -- "http://excelvba.ru/buy/EULA/trial_expired?name=Labels"
Modifies file system
Creates the following files
  • %TEMP%\7446.tmp
  • %TEMP%\etilqs_0j65uatfhvgnacq
  • %TEMP%\etilqs_b5ydyiw2n3v38m6
  • %TEMP%\etilqs_3rzhczz0dwt9xvu
  • %TEMP%\etilqs_q5kij4sxypqowso
  • %TEMP%\etilqs_t8pr54mxmghptya
  • %TEMP%\etilqs_dlt5pcwurav7y7t
  • %TEMP%\etilqs_jytfnlwas05gity
  • %TEMP%\etilqs_d6r7chcodu4sgsw
  • %TEMP%\etilqs_hv3d4ubebtcdeyt
  • <Current directory>\label templates\test 2.xls
  • <Current directory>\label templates\8f9a0000
  • %HOMEPATH%\documents\vb9f72.tmp
  • <Current directory>\label templates\test 1.xls
  • <Current directory>\label templates\3e9a0000
  • %HOMEPATH%\documents\vb9df7.tmp
  • %TEMP%\file_mainpicture_labels
  • %APPDATA%\labels.ini
  • %TEMP%\etilqs_t5tsuqecpqfgwmt
Sets the 'hidden' attribute to the following files
  • %APPDATA%\labels.ini
Deletes the following files
  • %TEMP%\7446.tmp
  • %TEMP%\vb9df6.tmp
  • %TEMP%\vb9f71.tmp
Moves the following files
  • from %HOMEPATH%\documents\vb9df7.tmp to %TEMP%\vb9df6.tmp
  • from <Current directory>\label templates\3e9a0000 to <Current directory>\label templates\test 1.xls
  • from %HOMEPATH%\documents\vb9f72.tmp to %TEMP%\vb9f71.tmp
  • from <Current directory>\label templates\8f9a0000 to <Current directory>\label templates\test 2.xls
Network activity
Connects to
  • 'ex##lvba.ru':80
  • 'ro###.ebay.com':443
  • 'bo##ing.com':443
  • 'tw##ter.com':80
  • 'bo##ing.com':80
  • 'ro###.ebay.com':80
  • 'ya###.opera.com':80
  • 'x1.#.lencr.org':80
  • 'sd#####es.operacdn.com':443
  • 'ex##lvba.ru':443
  • 's.##mg.com':443
  • 'fa###ook.com':80
  • 'en.###ipedia.org':443
  • 'se####.yahoo.com':443
  • 'am##on.com':443
  • 'en.###ipedia.org':80
  • 'au######te.geo.opera.com':443
  • 'am##on.com':80
  • 'se####.yahoo.com':80
  • 'du###uckgo.com':443
  • 'au######te.geo.opera.com':80
  • 're###.opera.com':80
  • 'oc##.#ectigo.com':80
TCP
HTTP GET requests
  • http://au######te.geo.opera.com/geolocation/
  • http://ro###.ebay.com/rover/1/711-53200-19255-0/1?ic###########################################################################################################################
  • http://www.bo##ing.com/index.html?ai##########################################################################################
  • http://www.ya##o.com/?il#####
  • http://www.op##a.com/follow?ut###############################################################################################
  • http://re###.opera.com/favicon.ico
  • http://ya###.opera.com/favicon.ico
  • http://x1.#.lencr.org/
  • http://re###.opera.com/speeddials/partner/wikipedia_org_us
  • http://re###.opera.com/speeddials/partner/youtube
  • http://re###.opera.com/speeddials/partner/product
  • http://re###.opera.com/speeddials/partner/booking_com_us
  • http://re###.opera.com/speeddials/partner/twitter_us
  • http://re###.opera.com/speeddials/partner/yahoo
  • http://re###.opera.com/speeddials/partner/ebay_us
  • http://re###.opera.com/speeddials/partner/amazon_us
  • http://ex##lvba.ru/buy/EULA/trial_expired?na#########
  • http://www.fa###ook.com/campaign/landing.php?ca#########################
  • http://re###.opera.com/speeddials/partner/facebook
  • http://si#####ck2.opera.com/?ho###################################################
  • http://re###.opera.com/www.opera.com/firstrun/
  • http://en.###ipedia.org/favicon.ico
  • http://se####.yahoo.com/favicon.ico
  • http://www.am##on.com/favicon.ico
  • http://www.tw##ter.com/?pa################
  • http://oc##.#ectigo.com/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBQh80WaEMqmyEvaHjlisSfVM4p8SAQUF9nWJSdn%2BTHCSUPZMDZEjGypT%2BsCEQC1ZlmmMQoF1BhzQOV7xKXP
HTTP POST requests
  • http://ex##lvba.ru/php2/updates.php
Other
  • 'du###uckgo.com':443
  • 'au######te.geo.opera.com':443
  • 'am##on.com':443
  • 'se####.yahoo.com':443
  • 'en.###ipedia.org':443
  • 'ex##lvba.ru':443
  • 'sd#####es.operacdn.com':443
  • 'ya###.opera.com':443
  • 'op##a.com':443
  • 'ya##o.com':443
  • 'bo##ing.com':443
  • 'ro###.ebay.com':443
UDP
  • DNS ASK ex##lvba.ru
  • DNS ASK tw##ter.com
  • DNS ASK ya##o.com
  • DNS ASK bo##ing.com
  • DNS ASK ro###.ebay.com
  • DNS ASK op##a.com
  • DNS ASK ya###.opera.com
  • DNS ASK x1.#.lencr.org
  • DNS ASK sd#####es.operacdn.com
  • DNS ASK fa###ook.com
  • DNS ASK re###.opera.com
  • DNS ASK si#####ck2.opera.com
  • DNS ASK en.###ipedia.org
  • DNS ASK bi##.#ikimedia.org
  • DNS ASK am##on.com
  • DNS ASK se####.yahoo.com
  • DNS ASK du###uckgo.com
  • DNS ASK au######te.geo.opera.com
  • DNS ASK s.##mg.com
  • DNS ASK oc##.#ectigo.com
Miscellaneous
Searches for the following windows
  • ClassName: 'MSAA_DA_Class' WindowName: 'MSAA_DA_80c'
  • ClassName: 'Opera_MessageWindow' WindowName: '%APPDATA%\Opera Software\Opera Stable'
Executes the following
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' -noautoupdate --ran-launcher -- http://excelvba.ru/buy/EULA/trial_expired?name=Labels
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.15.738919368\89098292" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.12.1440069760\1365705204" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.11.155531952\664787798" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.10.237815735\833689851" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.9.1160902933\1060329356" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.8.1885036607\1373509562" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera_crashreporter.exe' --type=utility --channel="1792.4.229911899\1447412067" --lang=en-US --no-sandbox --enable-proprietary-media-types-playback /prefetch:-645351001 /crash-reporter-parent-id=2860
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.7.455264853\1369794722" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.6.967008585\785072353" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.5.321376476\537158660" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.4.229911899\1447412067" --lang=en-US --no-sandbox --enable-proprietary-media-types-playback /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=renderer --alt-high-dpi-setting=96 --disable-direct-npapi-requests --enable-deferred-image-decoding --lang=en-US --enable-proprietary-media-types-playback --extension-process --enable-we...
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=renderer --alt-high-dpi-setting=96 --disable-direct-npapi-requests --enable-deferred-image-decoding --lang=en-US --enable-proprietary-media-types-playback --disable-client-side-phishing-...
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=gpu-process --channel="1792.0.1762099201\441790478" --enable-proprietary-media-types-playback --supports-dual-gpus=false --gpu-driver-bug-workarounds=1,19,42 --gpu-vendor-id=0x0000 --gpu...
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera_crashreporter.exe' -noautoupdate --ran-launcher -- http://excelvba.ru/buy/EULA/trial_expired?name=Labels /crash-reporter-parent-id=1792
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.16.633116681\1121794901" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001
  • '%ProgramFiles(x86)%\opera\29.0.1795.47\opera.exe' --type=utility --channel="1792.17.1499540517\236850275" --lang=en-US --enable-proprietary-media-types-playback --ignored=" --type=renderer " /prefetch:-645351001

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.

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

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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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