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Virus.Win32.RAMNIT.DSH.orig

November 05, 2019
 ALIASES:

Trojan.Win32.Boht.ajj (Kaspersky); Troj/VB-HJF (Sophos); Trojan.Win32.Generic!BT (Sunbelt)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This File infector arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It disables Task Manager, Registry Editor, and Folder Options.

It deletes itself after execution.

  TECHNICAL DETAILS

File Size:

518,656 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

05 Nov 2019

Arrival Details

This File infector arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This File infector drops the following copies of itself into the affected system:

  • %User Temp%\MSDCSC\FULLEDUTION.exe

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following processes:

  • %User Temp%\6cbb36914e905f2c19069de444507e3806d62550Srv.exe
  • cmd.exe /k attrib "%User Temp%\6cbb36914e905f2c19069de444507e3806d62550.exe" +s +h
  • cmd.exe /k attrib "%User Temp%" +s +h
  • notepad
  • %User Temp%\MSDCSC\FULLEDUTION.exe
  • %Program Files%\Microsoft\DesktopLayer.exe
  • %System Root%\Program Files\Internet Explorer\iexplore.exe
  • "%Program Files%\Internet Explorer\IEXPLORE.EXE" SCODEF:2924 CREDAT:275457 /prefetch:2
  • "%Program Files%\Internet Explorer\IEXPLORE.EXE" SCODEF:2924 CREDAT:406533 /prefetch:2
  • attrib "%User Temp%\6cbb36914e905f2c19069de444507e3806d62550.exe" +s +h
  • attrib "%User Temp%" +s +h
  • %User Temp%\MSDCSC\FULLEDUTIONSrv.exe

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

It creates the following folders:

  • %Application Data%\dclogs
  • %User Temp%\MSDCSC
  • %Application Data%\Microsoft\Windows\DNTException
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions
  • %Application Data%\Microsoft\Windows\PrivacIE
  • %Application Data%\Microsoft\Windows\IECompatUACache
  • %Application Data%\Microsoft\Windows\IECompatCache
  • %Program Files%\Microsoft
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active

(Note: %Application Data% is the current user's Application Data folder, which is usually C:\Documents and Settings\{user name}\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Roaming on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local\Temp on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000(32-bit), Server 2003(32-bit), XP, Vista(64-bit), 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit) , or C:\Program Files (x86) in Windows XP(64-bit), Vista(64-bit), 7(64-bit), 8(64-bit), 8.1(64-bit), 2008(64-bit), 2012(64-bit) and 10(64-bit).)

Autostart Technique

This File infector adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
FULLEDUTION = "%User Temp%\MSDCSC\FULLEDUTION.exe"

It modifies the following registry entries to ensure it automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon
UserInit = "%System%\userinit.exe,%User Temp%\MSDCSC\FULLEDUTION.exe"

(Note: The default value data of the said registry entry is %Windows%\system32\userinit.exe,.)

Other System Modifications

This File infector deletes the following files:

  • %AppDataLocal%Low\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

It adds the following registry keys:

HKEY_CURRENT_USER\Software\DC3_FEXEC

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System

It creates the following registry entry(ies) to disable Task Manager, Registry Tools and Folder Options:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Policies\
System
DisableTaskMgr = "1"

Dropping Routine

This File infector drops the following files:

  • %AppDataLocal%\Microsoft\Internet Explorer\imagestore\joppu72\imagestore.dat
  • %Program Files%\Microsoft\pxAFCE.tmp
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{B3C9BD90-A146-11E9-A037-005056BC6F22}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\82DF2NUK\secure-ds.serving-sys[1].xml
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{ADDAFFEE-A146-11E9-A037-005056BC6F22}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\3UYAQU1F\contextual.media[1].xml
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\82DF2NUK\www.msn[1].xml
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\PDYB5D8B\tag.idsync.analytics.yahoo[1].xml
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions\en-US.6
  • %Program Files%\Microsoft\DesktopLayer.exe
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\82DF2NUK\widgets.outbrain[1].xml
  • %Program Files%\Microsoft\pxD779.tmp
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{B3C9BD8D-A146-11E9-A037-005056BC6F22}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{B3C9BD8F-A146-11E9-A037-005056BC6F22}.dat
  • %User Temp%\MSDCSC\FULLEDUTIONSrv.exe
  • %User Temp%\6cbb36914e905f2c19069de444507e3806d62550Srv.exe

Other Details

This File infector connects to the following possibly malicious URL:

  • http://tps703.{BLOCKED}verify.com/bsevent.gif?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJJjDY.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAywSGf.img?{random characters}
  • http://ib.{BLOCKED}s.com/async_usersync?{random characters}
  • http://js.{BLOCKED}s.com/thetradedeskv275874568748/moatad.js
  • http://tps.{BLOCKED}verify.com/visit.js?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AABDCDz.img?{random characters}
  • http://c.{BLOCKED}n.com/a/n/709/66266.js
  • http://choices.{BLOCKED}rc.com/cap?{random characters}
  • http://c.{BLOCKED}d.com/a/4.gif
  • http://sync.{BLOCKED}x.io/usersync/turn/8110027794277512610?{random characters}
  • http://pixel.{BLOCKED}nproject.com/tap.php?{random characters}
  • http://aa.{BLOCKED}n.com/adscores/g.js?{random characters}
  • http://tps30.{BLOCKED}verify.com/visit.js?{random characters}
  • http://sync.{BLOCKED}v.com/genericusersync.ashx?{random characters}
  • http://e1.{BLOCKED}t.com/put?{random characters}
  • http://amobee-partners.{BLOCKED}hub.com/sync?UITN=8110027794277512610
  • http://pixel.{BLOCKED}d.com/idsync/ex/receive?{random characters}
  • http://d.{BLOCKED}n.com/{random path}
  • http://image2.{BLOCKED}ic.com/AdServer/Pug?{random characters}
  • http://c.{BLOCKED}n.com/icon/box_19_top-left.png
  • http://c.{BLOCKED}n.com/a/COMMON.css?r=0.5927641227064189
  • http://dsp.{BLOCKED}v.fwmrm.net/ad/u?{random characters}
  • http://ce.{BLOCKED}t.com/merge?{random characters}
  • http://ib.{BLOCKED}s.com/setuid?{random characters}
  • http://pixel.{BLOCKED}ising.com/ups/55939/sync?{random characters}
  • http://dmp.{BLOCKED}ik.com/51a1fcd65d2f7390/sync.gif?dm=turn.com&fck=
  • http://tps11010.{BLOCKED}verify.com/event.png?{random characters}
  • http://dsum.{BLOCKED}media.com/rum?{random characters}
  • http://global.{BLOCKED}i.com/image.sbxx?{random characters}
  • http://ads.{BLOCKED}adstv.com/user-registering?{random characters}
  • http://sync.{BLOCKED}h.spotxchange.com/partner?{random characters}
  • http://c.{BLOCKED}d.com/durly.js?{random characters}
  • http://ib.{BLOCKED}1.com/image.sbxx?{random characters}
  • http://tps11031.{BLOCKED}verify.com/event.png?{random characters}
  • http://c.{BLOCKED}n.com/a/n/996/134030.js
  • http://c.{BLOCKED}n.com/icon/c_30_us.png
  • http://c.{BLOCKED}n.com/a/COMMON.css?r=0.20328668909769143
  • http://c.{BLOCKED}n.com/icon/box_77_top-right.png
  • http://c.{BLOCKED}n.com/a/1.css?r=0.4130840125505135
  • http://pixel.{BLOCKED}d.com/idsync/ex/receive/check?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJgg2P.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAtKMMs.img?{random characters}
  • http://ups.{BLOCKED}ics.yahoo.com/ups/55939/sync?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJShu4.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAzMEGi.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQYrP.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJR8R7.img?{random characters}
  • http://match.{BLOCKED}r.org/track/cmf/generic?{random characters}
  • http://b.{BLOCKED}ardresearch.com/p?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJR33c.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAyxkRJ.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQFVg.img?{random characters}
  • http://sync.{BLOCKED}v.com/genericusersync.ashx?dpid=1701
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAIsz2P.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AABiyAn.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBAq9.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAFnoSW.img?{random characters}
  • http://sync.{BLOCKED}v.com/GenericUserSync.ashx?dpid=1702%2F
  • http://dmp.{BLOCKED}ik.com/8bf33fe57526aec8/sync.gif?{random characters}
  • http://sync.{BLOCKED}v.com/GenericUserSync.ashx?dpid=1704
  • http://tags.{BLOCKED}i.com/site/5379?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQITE.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJLxyx.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAxspu1.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAvM8PW.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJkY18.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAvNCcs.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAFwUiI.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBnGKDa.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJJcmD.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AADeDDC.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAE4twj.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BB4KnC.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJLg0a.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQElG.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBfBQ.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJRyXA.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJdJLa.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BB90I6E.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJv14L.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AA9YFNL.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJLF8P.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBUE1Db.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQQ9Q.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAIA7Ax.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAIM1Of.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJF9n3.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJGJNV.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJ76US.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAE5IYW.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQR6L.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AABDUsZ.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAFAoFW.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAGpJTA.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAGpDJm.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAGpMwR.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJFdob.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJF9Xs.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJFdmC.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJF0Ta.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAGw23J.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAGw4Q8.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAGvLL9.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAGvV00.img?{random characters}
  • http://www.{BLOCKED}g.com
  • http://api.{BLOCKED}g.com
  • http://linkmaker.{BLOCKED}s.apple.com
  • http://sb.{BLOCKED}ardresearch.com
  • http://web.{BLOCKED}x.data.msn.com
  • http://z.{BLOCKED}s.com
  • http://msn.{BLOCKED}dome.com
  • http://widgets.{BLOCKED}e.com
  • http://contextual.{BLOCKED}a.net
  • http://cms.{BLOCKED}ics.yahoo.com
  • http://login.{BLOCKED}e.com
  • http://px.{BLOCKED}s.linkedin.com
  • http://apx.{BLOCKED}s.com
  • http://www.{BLOCKED}in.com
  • http://p.{BLOCKED}totic.com
  • http://srtb.{BLOCKED}n.com
  • http://hbx.{BLOCKED}a.net
  • http://www.{BLOCKED}tagservices.com
  • http://lt-external-widgets.{BLOCKED}3.amazonaws.com
  • http://cdnjs.{BLOCKED}lare.com
  • http://pr-bh.{BLOCKED}p.yahoo.com
  • http://www.{BLOCKED}tagmanager.com
  • http://idsync.{BLOCKED}n.com
  • http://b1sync.{BLOCKED}a.com
  • http://tag.{BLOCKED}c.analytics.yahoo.com
  • http://dpm.{BLOCKED}x.net
  • http://sync-jp.{BLOCKED}s.net
  • http://id.{BLOCKED}m.com
  • http://beacon.{BLOCKED}d.net
  • http://rtb.{BLOCKED}vr.com
  • http://x.{BLOCKED}tch.net
  • http://dis.{BLOCKED}o.com
  • http://{BLOCKED}4.com
  • http://cd.{BLOCKED}p.com
  • http://cm.{BLOCKED}g.doubleclick.net
  • http://ps.{BLOCKED}a.net
  • http://px.{BLOCKED}inks.com
  • http://dsp.{BLOCKED}1.adition.com
  • http://{BLOCKED}k.com
  • http://loadus.{BLOCKED}or.com
  • http://sync.{BLOCKED}trl.net
  • http://{BLOCKED}o.com
  • http://track.{BLOCKED}wads.com
  • http://p.{BLOCKED}b.com
  • http://e.{BLOCKED}x.addthis.com
  • http://lg3.{BLOCKED}a.net
  • http://stags.{BLOCKED}i.com
  • http://gum.{BLOCKED}o.com
  • http://x.{BLOCKED}x.addthis.com
  • http://res.{BLOCKED}a.net
  • http://service.{BLOCKED}c.analytics.yahoo.com
  • http://de9a11s35xj3d.{BLOCKED}ront.net
  • http://hblg.{BLOCKED}a.net
  • http://rtb-use.{BLOCKED}vr.com
  • http://pix.{BLOCKED}s.criteo.net
  • http://cat.{BLOCKED}a.us.criteo.com
  • http://sqm.{BLOCKED}try.microsoft.com
  • http://protected-by.{BLOCKED}m.io
  • http://tags.{BLOCKED}g.com
  • http://cdn3.{BLOCKED}verify.com
  • http://pixel.{BLOCKED}g.com
  • http://bs.{BLOCKED}g-sys.com
  • http://secure-ds.{BLOCKED}g-sys.com
  • http://go.{BLOCKED}oft.com/fwlink/?LinkId=69157
  • http://www.{BLOCKED}n.com/?ocid=iehp
  • http://o.{BLOCKED}n.com/ads/adswrappermsni.js
  • http://static-global-s-msn-com.{BLOCKED}zed.net/{random path}?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAGpOUO.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAGUW9m.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQKnj.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBiwNf.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/hp-wus/sc/ea/4996b9.woff
  • http://www.{BLOCKED}n.com/en-us/homepage/irisbannerajax?{random characters}
  • http://c.{BLOCKED}n.com/c.gif?{random characters}
  • http://c.{BLOCKED}g.com/c.gif?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/hp-wus/sc/c6/cfdbd9.png
  • http://at.{BLOCKED}a.com/{random path}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AA36Tom.img?{random characters}
  • http://adserver.{BLOCKED}h.advertising.com/{random path}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJGPOb.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQFzm.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJOzj7.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBm2Dvk.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAywufo.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJF4XX.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQTWN.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BB4kwAp.img?{random characters}
  • http://acdn.{BLOCKED}s.com/ast/ast.js
  • http://banner.{BLOCKED}ising.com/ads/msn3.html
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJDSJ6.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAfZ6og.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJDy7u.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAA8PBm.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJIi4F.img?{random characters}
  • http://www.{BLOCKED}n.com/en-us/homepage/npsajax?ver=20191026_19197347
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQAjo.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQRkP.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJRyJG.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBUDFrs.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJPmc7.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBUE38v.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAIM6SY.img?{random characters}
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/BBTg0tm.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAILYH4.img?{random characters}
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/AAyW7G9.img?{random characters}
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/AA565dd.img?{random characters}
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/BBRL5wW.img?{random characters}
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/AAEHtW3.img?{random characters}
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/BBTUVWY.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAFTSRF.img?{random characters}
  • http://g.{BLOCKED}g.com/uac/request?{random characters}
  • http://g.{BLOCKED}g.com/uac/response?{random characters}
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/AAyhxXG.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJPRvu.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQOod.img?h=75&w=100&m=6&q=60&u=t&o=t&l=f
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQAsl.img?h=75&w=100&m=6&q=60&u=t&o=t&l=f
  • http://static.{BLOCKED}eat.com/js/{BLOCKED}eat.js
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQQQc.img?h=75&w=100&m=6&q=60&u=t&o=t&l=f
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJPl2j.img?h=75&w=100&m=6&q=60&u=t&o=t&l=f
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/AA8I0Dg.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQVW8.img?h=75&w=100&m=6&q=60&u=t&o=t&l=f
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/BB1ba5a.img?{random characters}
  • http://img-s-msn-com.{BLOCKED}zed.net/tenant/amp/entityid/BBTg0rh.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAywOab.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQznF.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AACl6Lf.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJPN4n.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQZ01.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJCof2.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJSpk9.img?h=75&w=100&m=6&q=60&u=t&o=t&l=f
  • http://m.{BLOCKED}s.com/ut/v3
  • http://eb2.{BLOCKED}t.com/mapuid?{random characters}
  • http://eb2.{BLOCKED}t.com/getuid?ld=1&gdpr=0&cmp_cs=
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJOXKq.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBz3ebk.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJJ3Ua.img?{random characters}
  • http://cdn.{BLOCKED}a.com/TaboolaCookieSyncScript.js
  • http://widgets.{BLOCKED}in.com/external/publishers/msn/MSNIdSync.js
  • http://ping.{BLOCKED}eat.net/ping?{random characters}
  • http://ib.{BLOCKED}s.com/async_usersync_file
  • http://acdn.{BLOCKED}s.com/dmp/async_usersync.html
  • http://sync.{BLOCKED}in.com/uidmapjsonp?{random characters}
  • http://c.{BLOCKED}g.com/c.gif?Red3=MSOATH_pd
  • http://tag.{BLOCKED}p.advertising.com/{BLOCKED}p.js
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAIRzSS.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAD1xsY.img?{random characters}
  • http://ib.{BLOCKED}s.com/async_usersync?cbfn=queuePixels
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAB9bd7.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AA3HAHV.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBu5BOA.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJR78Z.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJS5we.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAFwUbF.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJR3hK.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAgymO6.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJRPiD.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBmbl06.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQYlH.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAywHbG.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQOYr.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQceQ.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBNZK17.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAywGC0.img?{random characters}
  • http://confiant.{BLOCKED}n.com/?{random characters}
  • http://lax1-ib.{BLOCKED}s.com/it?{random characters}
  • http://usw-lax.{BLOCKED}r.org/bid/feedback/appnexus?{random characters}
  • http://ad.{BLOCKED}n.com/server/ads.js?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJOB0T.img?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/BBgkbck.img?{random characters}
  • http://www.{BLOCKED}n.com/en-us/homepage/api/pagedatarequest?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAy3CUU.img?{random characters}
  • http://rtb2.{BLOCKED}verify.com/verify.js?{random characters}
  • http://acdn.{BLOCKED}s.com/dmp/async_usersync.html?{random characters}
  • http://c.{BLOCKED}n.com/geo/ba.js?r181114
  • http://c.{BLOCKED}n.com/a/4.gif
  • http://cdn.{BLOCKED}verify.com/dv-match6.js
  • http://rtb0.{BLOCKED}verify.com/verify.js?{random characters}
  • http://{BLOCKED}4.148.166/rd_log?{random characters}
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AACxTgd.img?{random characters}
  • http://tps706.{BLOCKED}verify.com/bsevent.gif?{random characters}
  • http://c.{BLOCKED}n.com/a/n/290/3689.js
  • http://cdn.{BLOCKED}s.com/v/s/180/trk.js
  • http://static-global-s-msn-com.{BLOCKED}zed.net/img-resizer/tenant/amp/entityid/AAJQAgK.img?{random characters}
  • http://tps710.{BLOCKED}verify.com/bsevent.gif?{random characters}
  • http://lax1-ib.{BLOCKED}s.com/rd_log?{random characters}
  • http://presentation-sjc2.{BLOCKED}n.com/server/dynamic_ddc.htm?{random characters}
  • http://lax1-ib.{BLOCKED}s.com/vevent?{random characters}
  • http://c.{BLOCKED}n.com/a/COMMON.css?r=0.8783402581322953
  • http://c.{BLOCKED}n.com/icon/box_19_top-right.png
  • http://c.{BLOCKED}n.com/icon/ci.png
  • http://l.{BLOCKED}d.com/{random path}?{random characters}
  • http://c.{BLOCKED}n.com/a/6.css?r=0.8926138925060223
  • http://img.{BLOCKED}s.turn.com
  • http://r.{BLOCKED}n.com
  • http://choices.{BLOCKED}e.com
  • http://geo.{BLOCKED}s.com
  • http://ieonline.{BLOCKED}oft.com
  • http://services.{BLOCKED}g-sys.com
  • http://www.{BLOCKED}w.com
  • http://gizmo.{BLOCKED}g-sys.com
  • http://swc.{BLOCKED}n.skype.com
  • http://config.{BLOCKED}e.skype.com
  • http://a.{BLOCKED}w.skype.com
  • http://az724953.{BLOCKED}o.msecnd.net
  • http://browser.{BLOCKED}e.aria.microsoft.com
  • {BLOCKED}0.137.94

It deletes itself after execution.

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.850

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Identify and delete files detected as Virus.Win32.RAMNIT.DSH.orig using either the Startup Disk or Recovery Console

[ Learn More ]

Step 3

Identify and terminate files detected as Virus.Win32.RAMNIT.DSH.orig

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Enable Registry Editor, Task Manager, and Folder options

[ Learn More ]
By doing this step, you also enable other applications/programs disabled by this malware/grayware/spyware. Screen reader support enabled.

Step 5

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software
    • DC3_FEXEC
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies
    • System

Step 6

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • FULLEDUTION = "%User Temp%\MSDCSC\FULLEDUTION.exe"

Step 7

Restore these modified registry values

[ Learn More ]

Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
    • From: UserInit = "%System%\userinit.exe,%User Temp%\MSDCSC\FULLEDUTION.exe"
      To: UserInit = ""%Windows%\system32\userinit.exe,""

Step 8

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %AppDataLocal%\Microsoft\Internet Explorer\imagestore\joppu72\imagestore.dat
  • %Program Files%\Microsoft\pxAFCE.tmp
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{B3C9BD90-A146-11E9-A037-005056BC6F22}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\82DF2NUK\secure-ds.serving-sys[1].xml
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{ADDAFFEE-A146-11E9-A037-005056BC6F22}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\3UYAQU1F\contextual.media[1].xml
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\82DF2NUK\www.msn[1].xml
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\PDYB5D8B\tag.idsync.analytics.yahoo[1].xml
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions\en-US.6
  • %Program Files%\Microsoft\DesktopLayer.exe
  • %AppDataLocal%\Microsoft\Internet Explorer\DOMStore\82DF2NUK\widgets.outbrain[1].xml
  • %Program Files%\Microsoft\pxD779.tmp
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{B3C9BD8D-A146-11E9-A037-005056BC6F22}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{B3C9BD8F-A146-11E9-A037-005056BC6F22}.dat
  • %User Temp%\MSDCSC\FULLEDUTIONSrv.exe
  • %User Temp%\6cbb36914e905f2c19069de444507e3806d62550Srv.exe

Step 9

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %Application Data%\dclogs
  • %User Temp%\MSDCSC
  • %Application Data%\Microsoft\Windows\DNTException
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions
  • %Application Data%\Microsoft\Windows\PrivacIE
  • %Application Data%\Microsoft\Windows\IECompatUACache
  • %Application Data%\Microsoft\Windows\IECompatCache
  • %Program Files%\Microsoft
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active

Step 10

Scan your computer with your Trend Micro product to clean files detected as Virus.Win32.RAMNIT.DSH.orig. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:

Step 11

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %AppDataLocal%Low\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico


Did this description help? Tell us how we did.