MSIL:Downloader-LX [Trj]

Written by Robert Bailey
Seeing the MSIL:Downloader-LX [Trj] detection name means that your system is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.
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MSIL:Downloader-LX [Trj] detection is a malware detection you can spectate in your computer. It often shows up after the provoking procedures on your PC – opening the suspicious email messages, clicking the banner in the Internet or mounting the program from suspicious sources. From the second it appears, you have a short time to act until it begins its harmful action. And be sure – it is much better not to await these malicious actions.

What is MSIL:Downloader-LX [Trj] virus?

MSIL:Downloader-LX [Trj] 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 documents locked, this malware additionally does a lot of damage to your system. It modifies the networking setups in order to prevent you from checking out the elimination tutorials or downloading the antivirus. Sometimes, MSIL:Downloader-LX [Trj] can also prevent the launching of anti-malware programs.

MSIL:Downloader-LX [Trj] Summary

In summary, MSIL:Downloader-LX [Trj] virus actions in the infected system are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Ciphering the files kept on the target’s disk — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has been a nightmare for the last 4 years. It is challenging to imagine a more hazardous malware for both individuals and organizations. The algorithms used in MSIL:Downloader-LX [Trj] (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 currently exists, and possibly will exist. However, that malware does not do all these unpleasant things instantly – it can take up to several hours to cipher all of your documents. Hence, seeing the MSIL:Downloader-LX [Trj] detection is a clear signal that you should begin the removal process.

Where did I get the MSIL:Downloader-LX [Trj]?

General methods of MSIL:Downloader-LX [Trj] distribution are usual for all other ransomware variants. Those are one-day landing websites where victims are offered to download and install the free software, so-called bait e-mails and hacktools. Bait emails are a quite new tactic in malware spreading – you receive the e-mail that mimics some normal notifications about shippings or bank service conditions updates. Inside of the email, there is an infected MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

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

Avoiding it looks quite easy, however, still needs tons of attention. Malware can hide in various places, and it is better to stop it even before it gets into your computer than to depend on an anti-malware program. Simple cybersecurity awareness is just an important item in the modern world, even if your interaction with a computer stays on YouTube videos. That can keep you a great deal of money and time which you would certainly spend while seeking a solution.

MSIL:Downloader-LX [Trj] malware technical details

File Info:

name: 427E751B459213235D89.mlw
path: /opt/CAPEv2/storage/binaries/a47ed5b2bd794cc69ca675eb4341496fd14729a60c0feb9b98550c8b459211b2
crc32: B3CAAF0E
md5: 427e751b459213235d89b13efb4e7c8d
sha1: 08abbf5beabd472f7633e2284f89870e86e3539e
sha256: a47ed5b2bd794cc69ca675eb4341496fd14729a60c0feb9b98550c8b459211b2
sha512: f99298ceb2e9e9c3b4548e19ddafd1c8051358102a3060fe96036c3d9b37c7d65087cff61feefcac8e34d457dee856cbf317e62359275c94fa95cf70fd7def53
ssdeep: 384:aD/3DYlHUdnqK39rAjAu62WZxnO5NbJwzXlp6NaUk6p67ag6b8m4QA8I/S7U:M/3sRUUsuxJccDb8vJ/qU
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18DC2191C73E8C660CAFD5BBA0C7791110379EA469543EF1E4DE4A0F91A773448B45B2B
sha3_384: 783b1507be97a3066489eccc476a9c8aa999d06fdb25f547e45a4201d51dbf3467fc987528e14795eeaa28ef6d572b1e
ep_bytes: ff250020400000000000000000000000
timestamp: 2021-12-04 14:02:42

Version Info:

Translation: 0x0000 0x04b0
FileDescription: Client
FileVersion: 1.0.0.0
InternalName: Client.exe
LegalCopyright:
OriginalFilename: Client.exe
ProductVersion: 1.0.0.0
Assembly Version: 1.0.0.0

MSIL:Downloader-LX [Trj] also known as:

Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.MSILPerseus.124151
CAT-QuickHealTrojan.YakbeexMSIL.ZZ4
McAfeeGenericRXML-IS!427E751B4592
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
K7AntiVirusTrojan ( 700000121 )
CrowdStrikewin/malicious_confidence_100% (D)
CyrenW32/Trojan.SW.gen!Eldorado
ESET-NOD32a variant of MSIL/Agent.VY
APEXMalicious
ClamAVWin.Packed.Msilperseus-9885047-0
KasperskyHEUR:Trojan-Ransom.MSIL.Blocker.gen
BitDefenderGen:Variant.MSILPerseus.124151
AvastMSIL:Downloader-LX [Trj]
Ad-AwareGen:Variant.MSILPerseus.124151
SophosML/PE-A
DrWebBackDoor.Bladabindi.1702
ZillyaTrojan.Blocker.Win32.62924
McAfee-GW-EditionBehavesLike.Win32.Generic.mm
FireEyeGeneric.mg.427e751b45921323
EmsisoftGen:Variant.MSILPerseus.124151 (B)
SentinelOneStatic AI – Malicious PE
GDataMSIL.Trojan.Bhat.A
JiangminTrojan.MSIL.qxsu
MaxSecureTrojan.Malware.300983.susgen
AviraTR/Dropper.Gen7
ArcabitTrojan.MSILPerseus.D1E4F7
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.RL_Generic.C3558531
Acronissuspicious
VBA32TScope.Trojan.MSIL
ALYacGen:Variant.MSILPerseus.124151
MAXmalware (ai score=80)
MalwarebytesWorm.Agent
IkarusTrojan.ILCrypt
eGambitUnsafe.AI_Score_99%
FortinetMSIL/Agent.YW!tr
BitDefenderThetaGen:NN.ZemsilF.34062.bm0@aONGyOn
AVGMSIL:Downloader-LX [Trj]
Cybereasonmalicious.b45921
PandaTrj/GdSda.A

How to remove MSIL:Downloader-LX [Trj]?

MSIL:Downloader-LX [Trj] malware is very difficult to eliminate by hand. It stores its documents in a variety of locations throughout the disk, and can get back itself from one of the parts. Moreover, various modifications in the registry, networking settings and also Group Policies are pretty hard to find and revert to the original. It is far better to make use of a specific tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for virus elimination reasons.

Why GridinSoft Anti-Malware? It is really light-weight and has its detection databases updated just about every hour. In addition, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for taking out malware of any type.

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

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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