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TROJ_INJECT.YMNJJ

January 07, 2016
 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:

274,932 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

07 Jan 2016

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%\_050015_
  • %System Root%\8a9c62fd33a0f10b86094c
  • %User Temp%\testdir.dir
  • %User Profile%\CryptnetUrlCache\MetaData
  • %User Profile%\Microsoft\CryptnetUrlCache
  • %User Profile%\CryptnetUrlCache\Content
  • %System Root%\MSI1894f.tmp
  • %User Temp%\Microsoft .NET Framework 3.5

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

Other System Modifications

This Trojan deletes the following files:

  • %User Temp%\msinterr.txt

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

It deletes the following folders:

  • %User Profile%\My Documents\My Pictures
  • %Start Menu%\Programs\Administrative Tools

(Note: %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.. %Start Menu% is the Start Menu folder, where it usually is C:\Documents and Settings\{user name}\Start Menu on Windows 2000, Windows Server 2003, and Windows XP (32- and 64-bit); C:\Users\{user name}\AppData\Roaming\Microsoft\Windows\Start Menu on Windows Vista (32- and 64-bit), Windows 7 (32- and 64-bit), Windows 8 (32- and 64-bit), Windows 8.1 (32- and 64-bit), Windows Server 2008, and Windows Server 2012.)

It deletes the following registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\
Microsoft Integration\SetupData

Dropping Routine

This Trojan drops the following files:

  • %User Profile%\Windows-KB511826.exe
  • %System Root%\8a9c62fd33a0f10b86094c\DWINTL20.DLL
  • %System Root%\8a9c62fd33a0f10b86094c\DW20.EXE
  • %System Root%\8a9c62fd33a0f10b86094c\vs_setup.MS_
  • %System Root%\8a9c62fd33a0f10b86094c\baseline.dat
  • %System Root%\8a9c62fd33a0f10b86094c\deffactory.dat
  • %System Root%\8a9c62fd33a0f10b86094c\setup.sdb
  • %System Root%\8a9c62fd33a0f10b86094c\vs_setup.pdi
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.3082.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.2070.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.2052.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1055.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1053.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1049.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1046.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1045.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1044.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1043.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1042.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1041.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1040.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1038.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1037.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1036.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1035.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1032.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1031.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1030.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1029.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1028.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1025.ini
  • %System Root%\8a9c62fd33a0f10b86094c\.\logo.bmp
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.3082.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.2070.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.2052.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1055.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1053.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1049.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1046.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1045.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1044.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1043.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1042.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1041.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1040.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1038.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1037.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1036.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1035.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1033.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1032.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1031.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1030.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1029.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1028.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1025.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.3082.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.2070.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.2052.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1055.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1053.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1049.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1046.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1045.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1044.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1043.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1042.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1041.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1040.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1038.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1037.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1036.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1035.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1032.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1031.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1030.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1029.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1028.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1025.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapUI.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\SITSetup.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setup.exe
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.3082.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.2070.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.2052.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1055.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1053.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1049.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1046.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1045.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1044.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1043.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1042.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1041.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1040.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1038.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1037.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1036.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1035.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1032.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1031.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1030.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1029.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1028.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1025.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\HtmlLite.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\vs_setup.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\vs70uimgr.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\DeleteTemp.exe
  • %System Root%\8a9c62fd33a0f10b86094c\.\vsscenario.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\vsbasereqs.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\dlmgr.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\gencomp.dll
  • %System Root%\8a9c62fd33a0f10b86094c\$shtdwn$.req
  • %User Profile%\MetaData\7B2238AACCEDC3F1FFE8E7EB5F575EC9
  • %User Profile%\Content\7B2238AACCEDC3F1FFE8E7EB5F575EC9
  • %Windows%\Microsoft.NET\Framework\v2.0.50727\ngen.lock
  • %Windows%\Microsoft.NET\Framework\v4.0.30319\ngenservicelock.dat
  • %Windows%\Microsoft.NET\Framework\v4.0.30319\ngen_service.lock
  • %System Root%\DDC5A9F8BDFF522C3B62BD4FE544679289F8AE6_

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

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://download.{BLOCKED}oft.com/{random path}
  • http://go.{BLOCKED}oft.com/fwlink/?LinkId=118077&clcid=0x409
  • {BLOCKED}0.1
  • {BLOCKED}8.22
  • {BLOCKED}4.47.129
  • {BLOCKED}191.169

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.8

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

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 Profile%\Windows-KB511826.exe
  • %System Root%\8a9c62fd33a0f10b86094c\DWINTL20.DLL
  • %System Root%\8a9c62fd33a0f10b86094c\DW20.EXE
  • %System Root%\8a9c62fd33a0f10b86094c\vs_setup.MS_
  • %System Root%\8a9c62fd33a0f10b86094c\baseline.dat
  • %System Root%\8a9c62fd33a0f10b86094c\deffactory.dat
  • %System Root%\8a9c62fd33a0f10b86094c\setup.sdb
  • %System Root%\8a9c62fd33a0f10b86094c\vs_setup.pdi
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.3082.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.2070.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.2052.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1055.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1053.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1049.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1046.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1045.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1044.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1043.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1042.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1041.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1040.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1038.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1037.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1036.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1035.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1032.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1031.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1030.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1029.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1028.ini
  • %System Root%\8a9c62fd33a0f10b86094c\locdata.1025.ini
  • %System Root%\8a9c62fd33a0f10b86094c\.\logo.bmp
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.3082.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.2070.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.2052.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1055.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1053.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1049.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1046.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1045.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1044.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1043.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1042.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1041.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1040.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1038.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1037.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1036.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1035.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1033.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1032.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1031.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1030.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1029.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1028.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\eula.1025.rtf
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.3082.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.2070.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.2052.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1055.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1053.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1049.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1046.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1045.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1044.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1043.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1042.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1041.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1040.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1038.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1037.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1036.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1035.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1032.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1031.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1030.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1029.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1028.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapRes.1025.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\WapUI.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\SITSetup.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setup.exe
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.3082.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.2070.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.2052.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1055.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1053.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1049.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1046.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1045.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1044.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1043.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1042.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1041.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1040.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1038.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1037.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1036.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1035.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1032.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1031.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1030.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1029.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1028.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\setupres.1025.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\HtmlLite.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\vs_setup.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\vs70uimgr.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\DeleteTemp.exe
  • %System Root%\8a9c62fd33a0f10b86094c\.\vsscenario.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\vsbasereqs.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\dlmgr.dll
  • %System Root%\8a9c62fd33a0f10b86094c\.\gencomp.dll
  • %System Root%\8a9c62fd33a0f10b86094c\$shtdwn$.req
  • %User Profile%\MetaData\7B2238AACCEDC3F1FFE8E7EB5F575EC9
  • %User Profile%\Content\7B2238AACCEDC3F1FFE8E7EB5F575EC9
  • %Windows%\Microsoft.NET\Framework\v2.0.50727\ngen.lock
  • %Windows%\Microsoft.NET\Framework\v4.0.30319\ngenservicelock.dat
  • %Windows%\Microsoft.NET\Framework\v4.0.30319\ngen_service.lock
  • %System Root%\DDC5A9F8BDFF522C3B62BD4FE544679289F8AE6_

Step 3

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%\_050015_
  • %System Root%\8a9c62fd33a0f10b86094c
  • %User Temp%\testdir.dir
  • %User Profile%\CryptnetUrlCache\MetaData
  • %User Profile%\Microsoft\CryptnetUrlCache
  • %User Profile%\CryptnetUrlCache\Content
  • %System Root%\MSI1894f.tmp
  • %User Temp%\Microsoft .NET Framework 3.5

Step 4

Scan your computer with your Trend Micro product to delete files detected as TROJ_INJECT.YMNJJ. 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 5

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%\msinterr.txt

Step 6

Restore these deleted registry keys/values from backup

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

  • In HKEY_LOCAL_MACHINE\Software\Microsoft\Microsoft Integration
    • SetupData


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