MSIL/TrojanDownloader.Agent.JTN

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the MSIL/TrojanDownloader.Agent.JTN detection name usually means that your system is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.
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MSIL/TrojanDownloader.Agent.JTN detection is a virus detection you can spectate in your system. It generally shows up after the preliminary procedures on your PC – opening the suspicious e-mail messages, clicking the banner in the Internet or mounting the program from dubious resources. From the instance it appears, you have a short time to act before it begins its destructive activity. And be sure – it is better not to wait for these harmful things.

What is MSIL/TrojanDownloader.Agent.JTN virus?

MSIL/TrojanDownloader.Agent.JTN is ransomware-type malware. It looks for the documents on your disk drives, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware also does a ton of damage to your system. It changes the networking setups in order to avoid you from checking out the elimination manuals or downloading the antivirus. In some cases, MSIL/TrojanDownloader.Agent.JTN can also prevent the launching of anti-malware programs.

MSIL/TrojanDownloader.Agent.JTN Summary

In total, MSIL/TrojanDownloader.Agent.JTN virus activities in the infected PC are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Binary compilation timestomping detected;
  • Encrypting the files located on the target’s disk drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus apps

Ransomware has been a headache for the last 4 years. It is challenging to picture a more hazardous malware for both individuals and companies. The algorithms utilized in MSIL/TrojanDownloader.Agent.JTN (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy already exists, and possibly will exist. However, that malware does not do all these terrible things instantly – it may take up to several hours to cipher all of your files. Therefore, seeing the MSIL/TrojanDownloader.Agent.JTN detection is a clear signal that you must start the clearing process.

Where did I get the MSIL/TrojanDownloader.Agent.JTN?

Typical methods of MSIL/TrojanDownloader.Agent.JTN spreading are common for all other ransomware examples. Those are one-day landing websites where users are offered to download and install the free software, so-called bait emails and hacktools. Bait e-mails are a quite modern method in malware distribution – you get the e-mail that simulates some routine notifications about shipments or bank service conditions changes. Within the e-mail, there is an infected MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks quite uncomplicated, but still requires a lot of recognition. Malware can hide in various spots, and it is far better to prevent it even before it goes into your PC than to rely upon an anti-malware program. Common cybersecurity knowledge is just an essential thing in the modern-day world, even if your relationship with a computer stays on YouTube videos. That can save you a great deal of time and money which you would spend while looking for a fixing guide.

MSIL/TrojanDownloader.Agent.JTN malware technical details

File Info:

name: 31FCCD33A2FCDB0C1008.mlw
path: /opt/CAPEv2/storage/binaries/71a448e8ed8f1df4d2bff5ce4b6e65e2128e6d2de81e25f620af82ca39559a67
crc32: 87227B61
md5: 31fccd33a2fcdb0c100825537a828c99
sha1: 9104c1b45b490ea966cf90a064bbfbc3a7313590
sha256: 71a448e8ed8f1df4d2bff5ce4b6e65e2128e6d2de81e25f620af82ca39559a67
sha512: 4f2cad109e68adfacbfd09e7210e20c876d41b391191bb16e8fb5a6b014e2a1bb430ce7cdbc10e0237b31ee43999f0dc0cd57eb4dda1211fdbb8a592439af2af
ssdeep: 1536:+VrS8GbftfwoURBNwC9+S7XVTy1PJe5a1DIKxJVzpArePK6CtTvJsANVR3:V8GblfwoUrNbUSrcyjR3
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BE736D65F1CC41EADABF32B8B836D711DB3453E541604208DA9C7A7A3DFE3058960A9F
sha3_384: 2685a6748d1934c9485e795d2258b297f2db1275c8ead94db2ff2b36cbd0d7005df5025bfd864de193e719b5e54f06ca
ep_bytes: ff250020400000000000000000000000
timestamp: 2059-09-07 20:04:19

Version Info:

Translation: 0x0000 0x04b0
Comments: FortiClient VPN Online Installation
CompanyName: Fortinet Inc.
FileDescription: FortiClient VPN Online Installation
FileVersion: 7.0.1.83
InternalName: touc.exe
LegalCopyright: 2021 Fortinet Inc. All rights reserved.
LegalTrademarks:
OriginalFilename: touc.exe
ProductName: FortiClient VPN Online Installation
ProductVersion: 7.0.1.83
Assembly Version: 7.0.1.83

MSIL/TrojanDownloader.Agent.JTN also known as:

LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.GenericKD.38255822
FireEyeGeneric.mg.31fccd33a2fcdb0c
McAfeeRDN/Generic Downloader.x
CylanceUnsafe
K7AntiVirusTrojan-Downloader ( 0058ba921 )
AlibabaBackdoor:MSIL/Androm.5cbf705b
K7GWTrojan-Downloader ( 0058ba921 )
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of MSIL/TrojanDownloader.Agent.JTN
TrendMicro-HouseCallTROJ_GEN.R002C0PLE21
Paloaltogeneric.ml
KasperskyHEUR:Backdoor.MSIL.Androm.gen
BitDefenderTrojan.GenericKD.38255822
AvastWin32:RATX-gen [Trj]
TencentMsil.Trojan-downloader.Agent.Lkxw
Ad-AwareTrojan.GenericKD.38255822
EmsisoftTrojan.GenericKD.38255822 (B)
TrendMicroTROJ_GEN.R002C0PLE21
McAfee-GW-EditionRDN/Generic Downloader.x
SophosMal/Generic-S
IkarusTrojan.MSIL.Krypt
GDataTrojan.GenericKD.38255822
AviraTR/Dldr.Agent.hprws
MAXmalware (ai score=83)
ArcabitTrojan.Generic.D247BCCE
MicrosoftTrojan:Win32/Woreflint.A!cl
CynetMalicious (score: 100)
VBA32TScope.Trojan.MSIL
ALYacTrojan.Ransom.Filecoder
MalwarebytesTrojan.MCrypt.MSIL.Generic
APEXMalicious
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetMSIL/Agent.JTN!tr.dldr
AVGWin32:RATX-gen [Trj]
PandaTrj/GdSda.A
CrowdStrikewin/malicious_confidence_80% (W)

How to remove MSIL/TrojanDownloader.Agent.JTN?

MSIL/TrojanDownloader.Agent.JTN malware is incredibly hard to erase manually. It stores its data in several places throughout the disk, and can restore itself from one of the elements. Moreover, countless changes in the windows registry, networking configurations and also Group Policies are really hard to identify and revert to the initial. It is better to make use of a specific app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the most ideal for virus removal reasons.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated nearly every hour. In addition, it does not have such problems and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for getting rid of malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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