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TROJ_DRPR.JKE

May 30, 2014
 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size:

7,797,880 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

30 May 2014

Arrival Details

This Trojan 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 Trojan creates the following folders:

  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %User Temp%\nsk5.tmp
  • %User Temp%\nsh11.tmp
  • %Program Files%\Sense
  • %User Temp%\nsh11.tmp\extensionData
  • %User Temp%\nsh11.tmp\extensionData\plugins
  • %User Temp%\nsh11.tmp\extensionData\userCode

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

Other System Modifications

This Trojan deletes the following files:

  • %User Temp%\nsk1.tmp
  • %User Temp%\nsk5.tmp
  • %User Temp%\nsrD.tmp
  • %User Temp%\nsh11.tmp

(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, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

It adds the following registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows\CurrentVersion\Uninstall\
Sense

HKEY_LOCAL_MACHINE\Software\Sense\
Installer

HKEY_LOCAL_MACHINE\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Microsoft\Internet Explorer\Low Rights\
ElevationPolicy\{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}

HKEY_CURRENT_USER\Software\Sense

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Sense\Update

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Crossrider

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Sense\Installer

HKEY_LOCAL_MACHINE\Software\Sense\
IE\Profiles

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Sense\Manifest

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Sense\Code

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Sense\Plugins

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Sense\Plugins\207

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Sense\Plugins\78

HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\
Sense\Plugins\182

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Sense
DisplayName = "Sense"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Sense
DisplayIcon = "%Program Files%\Sense\utils.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Sense
DisplayVersion = "1.34.4.10"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Sense
Publisher = "Object Browser"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Sense
CrPublisherId = "20891"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Sense
CrAppId = "48292"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
Sense
UninstallString = "%Program Files%\Sense\Uninstall.exe /fcp=1"

HKEY_LOCAL_MACHINE\SOFTWARE\Sense\
Installer
BundledChrome = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Sense\
Installer
BundledFirefox = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Sense\
Installer
BundledIe = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
AppName = "Sense-codedownloader.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
AppPath = "%Program Files%\Sense"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
Policy = "3"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
AppName = "Sense-codedownloader.exe"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
AppPath = "%Program Files%\Sense"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\Low Rights\ElevationPolicy\
{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
Policy = "3"

HKEY_CURRENT_USER\Software\Sense
ActiveAppId = "48292"

HKEY_CURRENT_USER\Software\Sense\
Update
LastCheck = "537ef1fb"

HKEY_CURRENT_USER\Software\Crossrider
Bic = "B58B16C4B30240E1B3B57C7622B7B15EIE"

HKEY_CURRENT_USER\Software\Crossrider
Verifier = "2325ea91d32ad264ae97c5dfe9e934e6"

HKEY_CURRENT_USER\Software\Sense\
Installer
Time = "1400828386"

HKEY_CURRENT_USER\Software\Sense\
Installer
StatsDomain = "http://stats.{BLOCKED}demostack.com"

HKEY_CURRENT_USER\Software\Sense\
Installer
ErrorsDomain = "http://errors.{BLOCKED}demostack.com"

HKEY_CURRENT_USER\Software\Sense\
Installer
CodeDownloadDomain = "http://js.{BLOCKED}demostack.com"

HKEY_CURRENT_USER\Software\Sense\
Installer
FullVersion = "1.34.4.10"

HKEY_CURRENT_USER\Software\Sense\
Installer
FullVersionForUrl = "1_34_04_10"

HKEY_CURRENT_USER\Software\Sense\
Installer
SrcId = "000805"

HKEY_CURRENT_USER\Software\Sense\
Installer
SubId = "0"

HKEY_CURRENT_USER\Software\Sense\
Installer
ZData = "0"

HKEY_CURRENT_USER\Software\Sense\
Installer
DefaultBrowser = "ie"

HKEY_CURRENT_USER\Software\Sense\
Installer
OsName = "XP32"

HKEY_CURRENT_USER\Software\Sense\
Installer
Params = "{ source_id : 000805, sub_id : 0, uzid : 0}"

HKEY_LOCAL_MACHINE\SOFTWARE\Sense\
IE\Profiles
S-1-5-21-1645522239-1292428093-682003330-1003 = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Sense\
IE
TotalProfiles = "1"

HKEY_CURRENT_USER\Software\Sense\
Manifest
Name = "Sense"

HKEY_CURRENT_USER\Software\Sense\
Manifest
Manifest = "NA"

HKEY_CURRENT_USER\Software\Sense\
Manifest
Description = "."

HKEY_CURRENT_USER\Software\Sense\
Manifest
PublisherName = "Object Browser"

HKEY_CURRENT_USER\Software\Sense\
Manifest
HomePageUrl = "NA"

HKEY_CURRENT_USER\Software\Sense\
Manifest
RunInFrame = "false"

HKEY_CURRENT_USER\Software\Sense\
Manifest
ThanksUrl = "NA"

HKEY_CURRENT_USER\Software\Sense\
Manifest
DisableIe = "true"

HKEY_CURRENT_USER\Software\Sense\
Manifest
EnableSearchIE = "false"

HKEY_CURRENT_USER\Software\Sense\
Manifest
Version = "51"

HKEY_CURRENT_USER\Software\Sense\
Manifest
UpdateInterval = "168"

HKEY_CURRENT_USER\Software\Sense\
Manifest
BgVersion = "1"

HKEY_CURRENT_USER\Software\Sense\
Manifest
AddressbarURL = "NA"

HKEY_CURRENT_USER\Software\Sense\
Manifest
ChangePrevious = "false"

HKEY_CURRENT_USER\Software\Sense\
Manifest
SetNewTab = "false"

HKEY_CURRENT_USER\Software\Sense\
Manifest
PublisherId = "20891"

HKEY_CURRENT_USER\Software\Sense\
Manifest
ModeType = "production"

HKEY_CURRENT_USER\Software\Sense\
Manifest
PluginsManifestVersion = "47"

HKEY_CURRENT_USER\Software\Sense\
Manifest
IsButtonEnabled = "false"

HKEY_CURRENT_USER\Software\Sense\
Manifest
UninstallerOfferUrl = "NA"

HKEY_CURRENT_USER\Software\Sense\
Manifest
UninstallerOfferAction = "NA"

HKEY_CURRENT_USER\Software\Sense\
Code
AppJavaScript = "{random characters}"

HKEY_CURRENT_USER\Software\Sense\
Code
BgJavaScript = "{random characters}"

HKEY_CURRENT_USER\Software\Sense\
Plugins\207
Version = "2"

HKEY_CURRENT_USER\Software\Sense\
Plugins\207
Name = "dbWrapper"

HKEY_CURRENT_USER\Software\Sense\
Plugins\207
JavaScript = "{random characters}"

HKEY_CURRENT_USER\Software\Sense\
Plugins\207
Url = "http://js.{BLOCKED}demostack.com/plugins/mins/dbWrapper.js"

HKEY_CURRENT_USER\Software\Sense\
Plugins\78
Version = "5"

HKEY_CURRENT_USER\Software\Sense\
Plugins\78
Name = "CrossriderInfo"

HKEY_CURRENT_USER\Software\Sense\
Plugins\78
JavaScript = "{random characters}"

HKEY_CURRENT_USER\Software\Sense\
Plugins\78
Url = "http://js.{BLOCKED}demostack.com/plugins/mins/CrossriderInfo.js"

HKEY_CURRENT_USER\Software\Sense\
Plugins\182
Version = "3"

HKEY_CURRENT_USER\Software\Sense\
Plugins\182
Name = "openUrl"

Dropping Routine

This Trojan drops the following files:

  • %User Temp%\nsu3.tmp
  • %User Temp%\nsk5.tmp\System.dll
  • %User Temp%\nsk5.tmp\Aruxgi.tmp
  • %User Temp%\nsk5.tmp\WrapperUtils.dll
  • %User Temp%\nsk5.tmp\Emgfvamb.exe
  • %User Temp%\nsk5.tmp\StdUtils.dll
  • %User Temp%\nshF.tmp
  • %User Temp%\nsh11.tmp\StdUtils.dll
  • %User Temp%\nsh11.tmp\System.dll
  • %User Temp%\nsh11.tmp\InstallerUtils2.dll
  • %User Temp%\nsh11.tmp\nsisos.dll
  • %User Temp%\nsh11.tmp\md5dll.dll
  • %User Temp%\nsh11.tmp\UserInfo.dll
  • %User Temp%\nsh11.tmp\InstallerUtils.dll
  • %User Temp%\nsh11.tmp\inetc.dll
  • %User Temp%\nsh11.tmp\update.json
  • %Program Files%\Sense\utils.exe
  • %User Temp%\nsh11.tmp\42577
  • %User Temp%\nsh11.tmp\458347
  • %Windows%\Tasks\d4e590bb-8214-4c59-8429-13fb7d7180b5-3.job
  • %User Temp%\nsh11.tmp\ExecDos.dll
  • %Windows%\Tasks\d4e590bb-8214-4c59-8429-13fb7d7180b5-4.job
  • %User Temp%\nsh11.tmp\extensionData\manifest.xml
  • %User Temp%\nsh11.tmp\extensionData\plugins.json
  • %User Temp%\nsh11.tmp\extensionData\plugins\1.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\103.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\104.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\123.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\13.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\14.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\155.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\17.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\177.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\180.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\182.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\183.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\184.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\192.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\193.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\195.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\2.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\207.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\21.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\211.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\22.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\220.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\223.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\226.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\230.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\233.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\239.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\242.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\244.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\246.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\28.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\3.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\35.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\36.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\37.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\38.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\39.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\4.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\40.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\41.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\42.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\43.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\44.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\45.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\46.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\47.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\64.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\7.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\72.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\78.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\9.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\91.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\93.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\94.js
  • %User Temp%\nsh11.tmp\extensionData\userCode\background.js
  • %User Temp%\nsh11.tmp\extensionData\userCode\extension.js

(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, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.. %Program Files% is the default Program Files folder, usually C:\Program Files in Windows 2000, Server 2003, and XP (32-bit), Vista (32-bit), and 7 (32-bit), or C:\Program Files (x86) in Windows XP (64-bit), Vista (64-bit), and 7 (64-bit).. %Windows% is the Windows folder, which is usually C:\Windows.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://update.{BLOCKED}demostack.com/installer_updates/000805/update.json
  • http://update.{BLOCKED}demostack.com/installer.gif?{random characters}
  • http://update.{BLOCKED}demostack.com/monetization.gif?{random characters}
  • {BLOCKED}175.10
  • {BLOCKED}.102.60

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.700

Step 1

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

Step 2

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_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
    • Sense
  • In HKEY_LOCAL_MACHINE\Software\Sense
    • Installer
  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy
    • {3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy
    • {3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
  • In HKEY_CURRENT_USER\Software
    • Sense
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\Sense
    • Update
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software
    • Crossrider
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\Sense
    • Installer
  • In HKEY_LOCAL_MACHINE\Software\Sense\IE
    • Profiles
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\Sense
    • Manifest
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\Sense
    • Code
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\Sense
    • Plugins
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\Sense\Plugins
    • 207
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\Sense\Plugins
    • 78
  • In HKEY_USERS\S-1-5-21-1645522239-1292428093-682003330-1003\Software\Sense\Plugins
    • 182

Step 3

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_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Sense
    • DisplayName = "Sense"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Sense
    • DisplayIcon = "%Program Files%\Sense\utils.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Sense
    • DisplayVersion = "1.34.4.10"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Sense
    • Publisher = "Object Browser"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Sense
    • CrPublisherId = "20891"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Sense
    • CrAppId = "48292"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Sense
    • UninstallString = "%Program Files%\Sense\Uninstall.exe /fcp=1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Sense\Installer
    • BundledChrome = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Sense\Installer
    • BundledFirefox = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Sense\Installer
    • BundledIe = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
    • AppName = "Sense-codedownloader.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
    • AppPath = "%Program Files%\Sense"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
    • Policy = "3"
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
    • AppName = "Sense-codedownloader.exe"
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
    • AppPath = "%Program Files%\Sense"
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Low Rights\ElevationPolicy\{3db2d8fb-1ad8-4770-b7e8-9cb7496a72ed}
    • Policy = "3"
  • In HKEY_CURRENT_USER\Software\Sense
    • ActiveAppId = "48292"
  • In HKEY_CURRENT_USER\Software\Sense\Update
    • LastCheck = "537ef1fb"
  • In HKEY_CURRENT_USER\Software\Crossrider
    • Bic = "B58B16C4B30240E1B3B57C7622B7B15EIE"
  • In HKEY_CURRENT_USER\Software\Crossrider
    • Verifier = "2325ea91d32ad264ae97c5dfe9e934e6"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • Time = "1400828386"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • StatsDomain = "http://stats.{BLOCKED}demostack.com"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • ErrorsDomain = "http://errors.{BLOCKED}demostack.com"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • CodeDownloadDomain = "http://js.{BLOCKED}demostack.com"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • FullVersion = "1.34.4.10"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • FullVersionForUrl = "1_34_04_10"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • SrcId = "000805"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • SubId = "0"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • ZData = "0"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • DefaultBrowser = "ie"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • OsName = "XP32"
  • In HKEY_CURRENT_USER\Software\Sense\Installer
    • Params = "{ source_id : 000805, sub_id : 0, uzid : 0}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Sense\IE\Profiles
    • S-1-5-21-1645522239-1292428093-682003330-1003 = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Sense\IE
    • TotalProfiles = "1"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • Name = "Sense"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • Manifest = "NA"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • Description = "."
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • PublisherName = "Object Browser"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • HomePageUrl = "NA"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • RunInFrame = "false"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • ThanksUrl = "NA"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • DisableIe = "true"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • EnableSearchIE = "false"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • Version = "51"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • UpdateInterval = "168"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • BgVersion = "1"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • AddressbarURL = "NA"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • ChangePrevious = "false"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • SetNewTab = "false"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • PublisherId = "20891"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • ModeType = "production"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • PluginsManifestVersion = "47"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • IsButtonEnabled = "false"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • UninstallerOfferUrl = "NA"
  • In HKEY_CURRENT_USER\Software\Sense\Manifest
    • UninstallerOfferAction = "NA"
  • In HKEY_CURRENT_USER\Software\Sense\Code
    • AppJavaScript = "{random characters}"
  • In HKEY_CURRENT_USER\Software\Sense\Code
    • BgJavaScript = "{random characters}"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\207
    • Version = "2"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\207
    • Name = "dbWrapper"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\207
    • JavaScript = "{random characters}"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\207
    • Url = "http://js.{BLOCKED}demostack.com/plugins/mins/dbWrapper.js"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\78
    • Version = "5"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\78
    • Name = "CrossriderInfo"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\78
    • JavaScript = "{random characters}"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\78
    • Url = "http://js.{BLOCKED}demostack.com/plugins/mins/CrossriderInfo.js"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\182
    • Version = "3"
  • In HKEY_CURRENT_USER\Software\Sense\Plugins\182
    • Name = "openUrl"

Step 4

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.
  • %User Temp%\nsu3.tmp
  • %User Temp%\nsk5.tmp\System.dll
  • %User Temp%\nsk5.tmp\Aruxgi.tmp
  • %User Temp%\nsk5.tmp\WrapperUtils.dll
  • %User Temp%\nsk5.tmp\Emgfvamb.exe
  • %User Temp%\nsk5.tmp\StdUtils.dll
  • %User Temp%\nshF.tmp
  • %User Temp%\nsh11.tmp\StdUtils.dll
  • %User Temp%\nsh11.tmp\System.dll
  • %User Temp%\nsh11.tmp\InstallerUtils2.dll
  • %User Temp%\nsh11.tmp\nsisos.dll
  • %User Temp%\nsh11.tmp\md5dll.dll
  • %User Temp%\nsh11.tmp\UserInfo.dll
  • %User Temp%\nsh11.tmp\InstallerUtils.dll
  • %User Temp%\nsh11.tmp\inetc.dll
  • %User Temp%\nsh11.tmp\update.json
  • %Program Files%\Sense\utils.exe
  • %User Temp%\nsh11.tmp\42577
  • %User Temp%\nsh11.tmp\458347
  • %Windows%\Tasks\d4e590bb-8214-4c59-8429-13fb7d7180b5-3.job
  • %User Temp%\nsh11.tmp\ExecDos.dll
  • %Windows%\Tasks\d4e590bb-8214-4c59-8429-13fb7d7180b5-4.job
  • %User Temp%\nsh11.tmp\extensionData\manifest.xml
  • %User Temp%\nsh11.tmp\extensionData\plugins.json
  • %User Temp%\nsh11.tmp\extensionData\plugins\1.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\103.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\104.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\123.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\13.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\14.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\155.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\17.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\177.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\180.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\182.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\183.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\184.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\192.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\193.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\195.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\2.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\207.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\21.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\211.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\22.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\220.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\223.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\226.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\230.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\233.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\239.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\242.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\244.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\246.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\28.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\3.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\35.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\36.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\37.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\38.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\39.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\4.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\40.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\41.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\42.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\43.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\44.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\45.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\46.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\47.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\64.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\7.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\72.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\78.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\9.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\91.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\93.js
  • %User Temp%\nsh11.tmp\extensionData\plugins\94.js
  • %User Temp%\nsh11.tmp\extensionData\userCode\background.js
  • %User Temp%\nsh11.tmp\extensionData\userCode\extension.js

Step 5

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.
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %User Temp%\nsk5.tmp
  • %User Temp%\nsh11.tmp
  • %Program Files%\Sense
  • %User Temp%\nsh11.tmp\extensionData
  • %User Temp%\nsh11.tmp\extensionData\plugins
  • %User Temp%\nsh11.tmp\extensionData\userCode

Step 6

Scan your computer with your Trend Micro product to delete files detected as TROJ_DRPR.JKE. 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 this Knowledge Base page for more information.

Step 7

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.

  • %User Temp%\nsk1.tmp
  • %User Temp%\nsk5.tmp
  • %User Temp%\nsrD.tmp
  • %User Temp%\nsh11.tmp


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