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Profil

Trojan.MulDrop5.50667

Added to the Dr.Web virus database: 2015-03-29

Virus description added:

Technical Information

Malicious functions:
Executes the following:
  • '<SYSTEM32>\schtasks.exe' 0x824 svchost.exe
  • '<SYSTEM32>\cscript.exe' <LS_APPDATA>\TMA2ZWE.vbs
  • '<SYSTEM32>\schtasks.exe' /Delete /tn "keepup" /f
  • '<SYSTEM32>\schtasks.exe' /Create /TR "\"%APPDATA%\Roaming\miaul\RJFC.exe\"" /SC DAILY /TN "keepup" /ST 06:54:00 /du 0024:00 /RI 10 /RL HIGHEST /f
  • '<SYSTEM32>\conhost.exe' --type=renderer --disable-direct-npapi-requests --lang=en-US --disable-client-side-phishing-detection --with-feature:enhanced-autofill --enable-threaded-compositing --enable-delegated-renderer --disable-accelerated-video-decode --disable-webrtc-hw-encoding --disable-gpu-compositing --channel="1440.1.142203921\1663184066" /prefetch:673131151
  • '<SYSTEM32>\svchost.exe' 0xb14 raserver.exe
  • '<SYSTEM32>\conhost.exe'
  • '<SYSTEM32>\schtasks.exe' /pid=0xa1c /log
  • '<SYSTEM32>\RAServer.exe' /offerraupdate
  • '<SYSTEM32>\schtasks.exe' /Create /TR "\"%APPDATA%\Roaming\miaul\RJFC.exe\"" /SC ONLOGON /TN "mium0d" /RL HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /Delete /tn "9A5A8340-6B15" /f
  • '<SYSTEM32>\schtasks.exe' /Create /TR "\"%APPDATA%\Roaming\ARHome\Updater.exe\"" /SC ONIDLE /TN "9A5A8340-6B15" /I 1 /RL HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /Delete /tn "Office" /f
  • '<SYSTEM32>\schtasks.exe' /Create /TR "\"%PROGRAM_FILES%\Office\Office.exe\"" /SC DAILY /TN "Office" /ST 01:50:00 /du 0024:00 /RI 360 /RL HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /Create /TN "Java Update" /TR "\"%PROGRAM_FILES%\Java\Java.exe\"" /SC ONSTART /DELAY 0005:00 /RL HIGHEST /f
  • '<SYSTEM32>\schtasks.exe' /pid=0x8d8 /log
  • '<SYSTEM32>\schtasks.exe' /Delete /tn "mium0d" /f
  • '<SYSTEM32>\svchost.exe' -k secsvcs
  • '<SYSTEM32>\taskhost.exe' SYSTEM
Searches for windows to
detect analytical utilities:
  • ClassName: '' WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'PROCMON_WINDOW_CLASS' WindowName: ''
  • ClassName: '' WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'RegmonClass' WindowName: ''
  • ClassName: '' WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
  • ClassName: 'GBDYLLO' WindowName: ''
  • ClassName: 'OLLYDBG' WindowName: ''
  • ClassName: 'FilemonClass' WindowName: ''
  • ClassName: 'pediy06' WindowName: ''
Modifies settings of Windows Internet Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '1A10' = '00000000'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{AEBA21FA-782A-4A90-978D-B72164C80120}' = '{1a,37,61,59,23,52,35,0c,7a,5f,20,17,2f,1e,1a,19,0e,2b,01,73,13,37,13,12,14,1a,15,2a}'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3] '{A8A88C49-5EB2-4990-A1A2-0876022C854F}' = '{1a,37,61,59,23,52,35,0c,7a,5f,20,17,2f,1e,1a,19,0e,2b,01,73,13,37,13,12,14,1a,15,2a}'
Modifies file system :
Creates the following files:
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E11C.tmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\BF68.tmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\History Provider Cache
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E70C.tmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E5C2.tmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E321.tmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\MANIFEST-000002
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\000001.dbtmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\MANIFEST-000001
  • %TEMP%\etilqs_pEifhSlyAF968PO
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\LOG
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\000002.dbtmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\LOG
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\000002.dbtmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\MANIFEST-000002
  • %APPDATA%\Roaming\Opera Software\Opera Stable\DDA1.tmp
  • %TEMP%\etilqs_KUh1YutpcA1pWnz
  • %TEMP%\etilqs_kIV0BdYu3IJcBvS
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\ECCC.tmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\EAE6.tmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E9BC.tmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\000001.dbtmp
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\MANIFEST-000001
  • %APPDATA%\Roaming\Microsoft\Windows\Recent\CustomDestinations\7SYI4P2D50H49SJPXUDJ.temp
  • %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\prefs.jstmp
  • %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\user.js
  • %PROGRAM_FILES%\Java\Java.exe
  • <SYSTEM32>\GroupPolicy\gpt.ini
  • <SYSTEM32>\Tasks\Java Update
  • <SYSTEM32>\Tasks\9A5A8340-6B15
  • %APPDATA%\Roaming\ARHome\Updater.zip
  • %APPDATA%\Roaming\ARHome\qhnsjt.dat
  • <LS_APPDATA>\TMA2ZWE.vbs
  • <SYSTEM32>\Tasks\Office
  • %PROGRAM_FILES%\Office\Office.exe
  • %APPDATA%\Roaming\ARHome\Updater.exe
  • %APPDATA%\Roaming\miaul\RJFC.exe
  • %APPDATA%\Roaming\miaul\RJFC.zip
  • %APPDATA%\Roaming\VolIE\onload.js
  • <SYSTEM32>\Tasks\keepup
  • <SYSTEM32>\Tasks\mium0d
  • <Auxiliary element>
  • %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\searchPlugins\VenteeRo.xml
  • C:\ProgramData\ntuser.pol
  • <SYSTEM32>\GroupPolicy\Machine\Registry.pol
  • %APPDATA%\Roaming\VolIE\FoxPro_64.dll
  • %APPDATA%\Roaming\VolIE\FoxPro_32.dll
  • %APPDATA%\Roaming\VolIE\IE.zip
Sets the 'hidden' attribute to the following files:
  • C:\ProgramData\tempntuser.pol
Deletes the following files:
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E6CC.tmp~RF5e954.TMP
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E9AB.tmp~RF5ea3e.TMP
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E311.tmp~RF5e4b3.TMP
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E506.tmp~RF5e61a.TMP
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\CURRENT~RF5f269.TMP
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\MANIFEST-000001
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\EA88.tmp~RF5ec80.TMP
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\ECBB.tmp~RF5edd7.TMP
  • %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\prefs.js
  • %APPDATA%\Roaming\VolIE\IE.zip
  • %APPDATA%\Roaming\ARHome\Updater.zip
  • C:\ProgramData\tempntuser.pol
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\MANIFEST-000001
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E0AE.tmp~RF5e262.TMP
  • %APPDATA%\Roaming\miaul\RJFC.zip
  • %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\CURRENT~RF59a0d.TMP
Moves the following files:
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\EAE6.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\EA88.tmp
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\EA88.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\EA88.tmp~RF5ec80.TMP
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\ECCC.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\ECBB.tmp
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E6CC.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E6CC.tmp~RF5e954.TMP
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E9BC.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E9AB.tmp
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E9AB.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E9AB.tmp~RF5ea3e.TMP
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\000002.dbtmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\CURRENT
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\CURRENT to %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\CURRENT~RF5f269.TMP
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\DDA1.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Local State
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\ECBB.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\ECBB.tmp~RF5edd7.TMP
  • from %APPDATA%\Roaming\Microsoft\Windows\Recent\CustomDestinations\7SYI4P2D50H49SJPXUDJ.temp to %APPDATA%\Roaming\Microsoft\Windows\Recent\CustomDestinations\8548f632abe97aa3.customDestinations-ms
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\000001.dbtmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Extension State\CURRENT
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E70C.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E6CC.tmp
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\000002.dbtmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\CURRENT
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\CURRENT to %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\CURRENT~RF59a0d.TMP
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\BF68.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Preferences
  • from %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\prefs.jstmp to %APPDATA%\Roaming\Mozilla\Firefox\Profiles\fzv9i9tr.default\prefs.js
  • from C:\ProgramData\ntuser.pol to C:\ProgramData\tempntuser.pol
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\000001.dbtmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Extension Rules\CURRENT
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E311.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E311.tmp~RF5e4b3.TMP
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E5C2.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E506.tmp
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E506.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E506.tmp~RF5e61a.TMP
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E11C.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E0AE.tmp
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E0AE.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E0AE.tmp~RF5e262.TMP
  • from %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E321.tmp to %APPDATA%\Roaming\Opera Software\Opera Stable\Jump List Icons\E311.tmp
Deletes itself.
Network activity:
UDP:
  • DNS ASK ap#.###sys.opera.com
  • DNS ASK sl####i.yandex.ru
  • DNS ASK bi##.#ikimedia.org
  • DNS ASK au######te.geo.opera.com
  • DNS ASK en.###ipedia.org
  • DNS ASK re###.opera.com
  • DNS ASK dn#.##ftncsi.com
  • DNS ASK www.ic#.com
  • DNS ASK si#####ck2.opera.com
  • DNS ASK www.google.com
  • DNS ASK i.##0.ru
  • DNS ASK www.go##le.ru
  • DNS ASK www.ac##ads.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Shell_TrayWnd' WindowName: ''
  • ClassName: 'Opera_MessageWindow' WindowName: '%APPDATA%\Roaming\Opera Software\Opera Stable'
  • ClassName: '18467-41' WindowName: ''

Recommandations pour le traitement

  1. Si le système d'exploitation peut être démarré (en mode normal ou en mode sans échec), téléchargez Dr.Web Security Space et lancez un scan complet de votre ordinateur et de tous les supports amovibles que vous utilisez. En savoir plus sur Dr.Web Security Space.
  2. Si le démarrage du système d'exploitation est impossible, veuillez modifier les paramètres du BIOS de votre ordinateur pour démarrer votre ordinateur via CD/DVD ou clé USB. Téléchargez l'image du disque de secours de restauration du système Dr.Web® LiveDisk ou l'utilitaire pour enregistrer Dr.Web® LiveDisk sur une clé USB, puis préparez la clé USB appropriée. Démarrez l'ordinateur à l'aide de cette clé et lancez le scan complet et le traitement des menaces détectées.

Veuillez lancer le scan complet du système à l'aide de Dr.Web Antivirus pour Mac OS.

Veuillez lancer le scan complet de toutes les partitions du disque à l'aide de Dr.Web Antivirus pour Linux.

  1. Si votre appareil mobile fonctionne correctement, veuillez télécharger et installer sur votre appareil mobile Dr.Web pour Android. Lancez un scan complet et suivez les recommandations sur la neutralisation des menaces détectées.
  2. Si l'appareil mobile est bloqué par le Trojan de la famille Android.Locker (un message sur la violation grave de la loi ou la demande d'une rançon est affiché sur l'écran de l'appareil mobile), procédez comme suit:
    • démarrez votre Smartphone ou votre tablette en mode sans échec (si vous ne savez pas comment faire, consultez la documentation de l'appareil mobile ou contactez le fabricant) ;
    • puis téléchargez et installez sur votre appareil mobile Dr.Web pour Android et lancez un scan complet puis suivez les recommandations sur la neutralisation des menaces détectées ;
    • Débranchez votre appareil et rebranchez-le.

En savoir plus sur Dr.Web pour Android