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Trojan.MSIL.BOSLOKI.USXVPHA19

October 10, 2019
 ALIASES:

Trojan:MSIL/Upadter.A [non_writable_container] (Microsoft); Trojan.MSIL.Revenge.daa (Kaspersky)

 PLATFORM:

Windows

 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:

3,978,362 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

10 Oct 2019

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 adds the following processes:

  • %User Temp%\Adobe\Update\32bit Patch build 2.exe
  • %User Temp%\Adobe\Update\Log.exe
  • "cmd.exe"
  • "%User Temp%\svhost.exe"
  • "%Program Files%\Internet Explorer\IEXPLORE.EXE" SCODEF:2996 CREDAT:275457 /prefetch:2
  • "%Program Files%\Internet Explorer\IEXPLORE.EXE" SCODEF:1228 CREDAT:275457 /prefetch:2
  • reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%Application Data%\Jusates\Terara.exe.lnk" /f

(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).. %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).)

It creates the following folders:

  • %Application Data%\Microsoft\Windows\DNTException
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions
  • %User Temp%\Adobe
  • %User Temp%\$inst
  • %System Root%\Program Files\Internet Download Manager
  • %Application Data%\Microsoft\Windows\IECompatCache
  • %Application Data%\Jusates
  • %User Profile%\AppData
  • %User Temp%\Adobe\Update
  • %Application Data%\Microsoft\Windows\PrivacIE
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active
  • %Application Data%\Microsoft\Windows\IECompatUACache
  • %System Root%\Users
  • %Program Files%\Internet Download Manager

(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).. %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).. %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).. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.. %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} 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).)

Other System Modifications

This Trojan modifies the following file(s):

  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DEA9E67A-8CEB-11E9-B7A0-005056BC08D8}.dat

(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 deletes the following files:

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

(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).. %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\DownloadManager

HKEY_LOCAL_MACHINE\SOFTWARE\DownloadManager

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
IDM Crack 6.33 build 2

It adds the following registry entries:

HKEY_CURRENT_USER\Software\DownloadManager
FName = "CrackingPatching"

HKEY_CURRENT_USER\Software\DownloadManager
LName = "com"

HKEY_CURRENT_USER\Software\DownloadManager
Email = "info@tonec.com"

HKEY_CURRENT_USER\Software\DownloadManager
Serial = "9QNBL-L2641-Y7WVE-QEN3I"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
DownloadManager
FName = "CP "

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
DownloadManager
LName = "com"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
DownloadManager
Email = "info@karanpc.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
DownloadManager
Serial = "9QNBL-L2641-Y7WVE-QEN3I"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
DisplayName = "IDM Crack 6.33 build 2"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
DisplayVersion = "6.33 build 2"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
VersionMajor = "6"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
VersionMinor = "332"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
Publisher = "Crackingpatching.com Team"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
DisplayIcon = "%Program Files%\Internet Download Manager\IDM Patch Uninstaller 6.33 build 2.exe"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
UninstallString = "{random characters}"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
URLInfoAbout = "https://{BLOCKED}ngpatching.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
HelpLink = "https://{BLOCKED}ngpatching.com"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
InstallLocation = "%System Root%\Program Files\Internet Download Manager"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
InstallSource = "%User Temp%\Adobe\Update"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
InstallDate = "20190612"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
Language = "1033"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
EstimatedSize = "4346"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
NoModify = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
Uninstall\IDM Crack 6.33 build 2
NoRepair = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\
Microsoft\Windows\CurrentVersion\
explorer
GlobalAssocChangedCounter = "12"

It modifies the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows NT\CurrentVersion\Windows
Load = "%Application Data%\Jusates\Terara.exe.lnk"

Dropping Routine

This Trojan drops the following files:

  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{DEA9E67C-8CEB-11E9-B7A0-005056BC08D8}.dat
  • %Program Files%\Internet Download Manager\IDM Patch Uninstaller 6.33 build 2.exe
  • %User Temp%\Jusates\Terara.exe.jpg
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %User Temp%\Adobe\Update\32bit Patch build 2.exe
  • %Application Data%\Jusates\Terara.exe.lnk
  • %System Root%\Program Files\Internet Download Manager\IDMan.exe
  • %Application Data%\Jusates\Terara.exe:Zone.Identifier
  • %User Temp%\Adobe\Update\Log.exe
  • %User Temp%\svhost.exe
  • %Application Data%\Jusates\Terara.exe
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{DEA9BF6C-8CEB-11E9-B7A0-005056BC08D8}.dat
  • %Program Files%\Internet Download Manager\IDM Patch Uninstaller 6.33 build 2.ini
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DEA9BF6A-8CEB-11E9-B7A0-005056BC08D8}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions\en-US.6
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DEA9E67A-8CEB-11E9-B7A0-005056BC08D8}.dat

(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).. %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).. %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).. %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).. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://go.{BLOCKED}oft.com
  • http://{BLOCKED}ngpatching.com
  • http://api.{BLOCKED}g.com
  • http://www.{BLOCKED}g.com
  • http://kanal219.{BLOCKED}c.net
  • http://ieonline.{BLOCKED}oft.com
  • http://sqm.{BLOCKED}try.microsoft.com

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 terminate files detected as Trojan.MSIL.BOSLOKI.USXVPHA19

[ 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 3

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
    • DownloadManager
  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • DownloadManager
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • IDM Crack 6.33 build 2

Step 4

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\DownloadManager
    • FName = "CrackingPatching"
  • In HKEY_CURRENT_USER\Software\DownloadManager
    • LName = "com"
  • In HKEY_CURRENT_USER\Software\DownloadManager
    • Email = "info@tonec.com"
  • In HKEY_CURRENT_USER\Software\DownloadManager
    • Serial = "9QNBL-L2641-Y7WVE-QEN3I"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\DownloadManager
    • FName = "CP "
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\DownloadManager
    • LName = "com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\DownloadManager
    • Email = "info@karanpc.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\DownloadManager
    • Serial = "9QNBL-L2641-Y7WVE-QEN3I"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • DisplayName = "IDM Crack 6.33 build 2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • DisplayVersion = "6.33 build 2"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • VersionMajor = "6"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • VersionMinor = "332"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • Publisher = "Crackingpatching.com Team"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • DisplayIcon = "%Program Files%\Internet Download Manager\IDM Patch Uninstaller 6.33 build 2.exe"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • UninstallString = "{random characters}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • URLInfoAbout = "https://{BLOCKED}ngpatching.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • HelpLink = "https://{BLOCKED}ngpatching.com"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • InstallLocation = "%System Root%\Program Files\Internet Download Manager"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • InstallSource = "%User Temp%\Adobe\Update"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • InstallDate = "20190612"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • Language = "1033"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • EstimatedSize = "4346"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • NoModify = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IDM Crack 6.33 build 2
    • NoRepair = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer
    • GlobalAssocChangedCounter = "12"

Step 5

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_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows
    • Load = "%Application Data%\Jusates\Terara.exe.lnk"

Step 6

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\Recovery\High\Active\{DEA9E67C-8CEB-11E9-B7A0-005056BC08D8}.dat
  • %Program Files%\Internet Download Manager\IDM Patch Uninstaller 6.33 build 2.exe
  • %User Temp%\Jusates\Terara.exe.jpg
  • %AppDataLocal%\Microsoft\Internet Explorer\MSIMGSIZ.DAT
  • %User Temp%\Adobe\Update\32bit Patch build 2.exe
  • %Application Data%\Jusates\Terara.exe.lnk
  • %System Root%\Program Files\Internet Download Manager\IDMan.exe
  • %Application Data%\Jusates\Terara.exe:Zone.Identifier
  • %User Temp%\Adobe\Update\Log.exe
  • %User Temp%\svhost.exe
  • %Application Data%\Jusates\Terara.exe
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\{DEA9BF6C-8CEB-11E9-B7A0-005056BC08D8}.dat
  • %Program Files%\Internet Download Manager\IDM Patch Uninstaller 6.33 build 2.ini
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DEA9BF6A-8CEB-11E9-B7A0-005056BC08D8}.dat
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions\en-US.6
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DEA9E67A-8CEB-11E9-B7A0-005056BC08D8}.dat

Step 7

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%\Microsoft\Windows\DNTException
  • %AppDataLocal%\Microsoft\Internet Explorer\DomainSuggestions
  • %User Temp%\Adobe
  • %User Temp%\$inst
  • %System Root%\Program Files\Internet Download Manager
  • %Application Data%\Microsoft\Windows\IECompatCache
  • %Application Data%\Jusates
  • %User Profile%\AppData
  • %User Temp%\Adobe\Update
  • %Application Data%\Microsoft\Windows\PrivacIE
  • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active
  • %Application Data%\Microsoft\Windows\IECompatUACache
  • %System Root%\Users
  • %Program Files%\Internet Download Manager

Step 8

Scan your computer with your Trend Micro product to delete files detected as Trojan.MSIL.BOSLOKI.USXVPHA19. 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 9

Restore deleted/modified files and/or registry entries from backup

*Note: Only Microsoft-related files/keys/values will be restored. If this malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

    • %AppDataLocal%\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DEA9E67A-8CEB-11E9-B7A0-005056BC08D8}.dat

Step 10

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.

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


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