Home Malware Programs Trojans Trojan.MSIL.Injector.NEP

Trojan.MSIL.Injector.NEP

Posted: November 26, 2014

Threat Metric

Ranking: 3,199
Threat Level: 8/10
Infected PCs: 46,043
First Seen: November 26, 2014
Last Seen: October 15, 2023
OS(es) Affected: Windows

Trojan.MSIL.Injector.NEP is detected as a trojan by several anti-malware and anti-virus programs. Trojan.MSIL.Injector.NEP is known to be distributed in a number of ways that include spam e-mail campaigns with corrupted attachments inside or when users visit malicious websites. Trojan.MSIL.Injector.NEP can cause fake security messages to pop-up on the screen in order to mislead users into thinking they need to install additional software, which in most cases leads to malware. Users may also notice that Trojan.MSIL.Injector.NEP weakened the overall performance of their system.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



C:\Users\<username>\AppData\Roaming\Diagx\Diagx.exe File name: Diagx.exe
Size: 34.65 MB (34656256 bytes)
MD5: 19492d5067392d2d2fe15ec161c7722a
Detection count: 2,436
File type: Executable File
Mime Type: unknown/exe
Path: C:\Users\<username>\AppData\Roaming\Diagx
Group: Malware file
Last Updated: September 11, 2021
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 609.79 KB (609792 bytes)
MD5: 803ab42b19ad1c20c69c7d76b8c3d5f4
Detection count: 1,159
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 6.07 MB (6075904 bytes)
MD5: 90e92b970b7147815e3934eb26f03f4d
Detection count: 829
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 7.09 MB (7096320 bytes)
MD5: 70f86c53b376a0d6a1de6ff6ed170d98
Detection count: 703
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 660.99 KB (660992 bytes)
MD5: fb4d77285a04c2180ae0f8f8b079ab43
Detection count: 660
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 4.29 MB (4295680 bytes)
MD5: a6db212107f8593a3cb36b7ae46f7841
Detection count: 232
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 31, 2020
%APPDATA%\Flashplayer\cssrs.exe File name: cssrs.exe
Size: 38.79 MB (38797312 bytes)
MD5: b9b10f1062e8b3d8b2e8555862891f9d
Detection count: 215
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Flashplayer
Group: Malware file
Last Updated: June 25, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 483.84 KB (483840 bytes)
MD5: e186ff48f06a636e6b230e9bd15f8afc
Detection count: 180
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%APPDATA%\Flashplayer\cssrs.exe File name: cssrs.exe
Size: 37.74 MB (37748736 bytes)
MD5: 967d2a4b65a5966d91ce47c20e23bdb3
Detection count: 157
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Flashplayer
Group: Malware file
Last Updated: June 25, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 747.55 KB (747557 bytes)
MD5: 0aefcebc545505675a5f88fe66919e84
Detection count: 124
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 22.91 MB (22912512 bytes)
MD5: 7f63ddfbd79cf30f7e057bade41d514a
Detection count: 115
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 1.39 MB (1390592 bytes)
MD5: b158f1e0f52d209f07394056f9c318e3
Detection count: 96
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 120.75 MB (120751392 bytes)
MD5: 9c1127ed9878b18e3684087161b0a09a
Detection count: 87
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%TEMP%\Win Update\Win Update.exe File name: Win Update.exe
Size: 105.98 KB (105984 bytes)
MD5: 711bcd968f99547d3105e216542b3dce
Detection count: 70
File type: Executable File
Mime Type: unknown/exe
Path: %TEMP%\Win Update
Group: Malware file
Last Updated: August 27, 2016
%APPDATA%\Flashplayer\cssrs.exe File name: cssrs.exe
Size: 12.58 MB (12582912 bytes)
MD5: 307bc0f3b4bf813fa8b0002445a0c95f
Detection count: 59
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Flashplayer
Group: Malware file
Last Updated: June 25, 2016
%APPDATA%\Flashplayer\cssrs.exe File name: cssrs.exe
Size: 26.21 MB (26214400 bytes)
MD5: 19c216f84dc2f1020d985b254c19aa31
Detection count: 44
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\Flashplayer
Group: Malware file
Last Updated: June 25, 2016
%APPDATA%\BioCdlgs\fdPrhlpr.exe File name: fdPrhlpr.exe
Size: 465.92 KB (465920 bytes)
MD5: 198d703ff2b28dba58367b5434232144
Detection count: 34
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%\BioCdlgs
Group: Malware file
Last Updated: June 29, 2016

Registry Modifications

The following newly produced Registry Values are:

Regexp file mask%ALLUSERSPROFILE%\Injector.exe%ALLUSERSPROFILE%\Microsoft.com%APPDATA%\Maybe.exe%TEMP%\nvc1.exe%TEMP%\Win Update\Win Update.exe
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