MSIL/TrojanDownloader.Agent.JB Virus Removal

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

Spectating the MSIL/TrojanDownloader.Agent.JB detection means that your PC is in big danger. This malware can correctly be identified as ransomware – virus which encrypts your files and forces you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

MSIL/TrojanDownloader.Agent.JB detection is a virus detection you can spectate in your system. It usually shows up after the preliminary actions on your PC – opening the untrustworthy e-mail messages, clicking the banner in the Web or setting up the program from dubious sources. From the second it appears, you have a short time to act until it begins its destructive action. And be sure – it is better not to wait for these harmful effects.

What is MSIL/TrojanDownloader.Agent.JB virus?

MSIL/TrojanDownloader.Agent.JB is ransomware-type malware. It looks for the documents on your disks, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware additionally does a ton of damage to your system. It alters the networking settings in order to avoid you from checking out the elimination articles or downloading the antivirus. In some cases, MSIL/TrojanDownloader.Agent.JB can even block the setup of anti-malware programs.

MSIL/TrojanDownloader.Agent.JB Summary

Summarizingly, MSIL/TrojanDownloader.Agent.JB virus actions in the infected system are next:

  • Uses Windows utilities for basic functionality;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Compiles .NET code into an executable and executes it;
  • Deletes executed files from disk;
  • Uses csc.exe C# compiler to build and execute code;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files kept on the target’s disk — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of security tools

Ransomware has actually been a major problem for the last 4 years. It is difficult to picture a more damaging malware for both individual users and organizations. The algorithms used in MSIL/TrojanDownloader.Agent.JB (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy actually exists, and possibly will exist. However, that virus does not do all these horrible things without delay – it can take up to a few hours to cipher all of your files. Therefore, seeing the MSIL/TrojanDownloader.Agent.JB detection is a clear signal that you need to start the clearing process.

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

Usual methods of MSIL/TrojanDownloader.Agent.JB spreading are basic for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free app, so-called bait emails and hacktools. Bait emails are a pretty modern method in malware distribution – you get the e-mail that imitates some normal notifications about shippings or bank service conditions modifications. Within the email, there is a malicious MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Preventing it looks quite uncomplicated, however, still requires tons of focus. Malware can hide in different spots, and it is much better to stop it even before it gets into your PC than to rely on an anti-malware program. Common cybersecurity awareness is just an essential thing in the modern-day world, even if your interaction with a PC remains on YouTube videos. That may save you a lot of money and time which you would spend while searching for a fixing guide.

MSIL/TrojanDownloader.Agent.JB malware technical details

File Info:

name: 0D1CE557A396FE1CE55C.mlw
path: /opt/CAPEv2/storage/binaries/6531dfeb6f35e332753024cbefad1f2c16c8fae266accf427789baf6b843f63d
crc32: E2FAAA46
md5: 0d1ce557a396fe1ce55c4802b66600eb
sha1: 712df22fb477492d10468a68ab83f35b6c5f30a9
sha256: 6531dfeb6f35e332753024cbefad1f2c16c8fae266accf427789baf6b843f63d
sha512: eaaec5d6009616d446d423d6ec3af5d950571fb5c3d2120f0803f8830f1c5a7f046b07f1c1848f847cbbff326a57960d35bdcf6662d2e45ce49f4e5c1b01bfa1
ssdeep: 768:QjVuNtu9y2B/Y3+vDhiMWcn4tZVQ7oej29GV9VIqNCuU+jsFOq8Uk/m:MuNtoRw3WDUvECZYos29AmZ+wFOpD/
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D8238D617309C727C56F0AF98453578143B1825BE286EE8B6CDB9ADE1DC73C14B12B87
sha3_384: d838346f1953b0b7d6a8ade7ed0c2fea8cb9d9576a14149914de889a97339bf16ea45b00318f251b22c8cf58846d47e1
ep_bytes: ff250020400000000000000000000000
timestamp: 2015-10-11 16:13:28

Version Info:

0: [No Data]

MSIL/TrojanDownloader.Agent.JB also known as:

BkavW32.AIDetectMalware.CS
LionicTrojan.Win32.Blocker.j!c
Elasticmalicious (high confidence)
DrWebTrojan.DownLoader17.20852
MicroWorld-eScanGen:Variant.Bulz.421225
SkyhighBehavesLike.Win32.Infected.ph
McAfeeArtemis!0D1CE557A396
Cylanceunsafe
ZillyaTrojan.Blocker.Win32.32136
SangforRansom.Win32.Blocker.Vigz
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaRansom:Win32/Blocker.c36da49c
K7GWRiskware ( 0040eff71 )
K7AntiVirusRiskware ( 0040eff71 )
ArcabitTrojan.Bulz.D66D69
BitDefenderThetaGen:NN.ZemsilF.36680.dmW@aSmGK!n
SymantecTrojan.Gen.MBT
tehtrisGeneric.Malware
ESET-NOD32MSIL/TrojanDownloader.Agent.JB
APEXMalicious
ClamAVWin.Packed.Bladabindi-6848156-0
KasperskyTrojan-Ransom.Win32.Blocker.htwu
BitDefenderGen:Variant.Bulz.421225
NANO-AntivirusTrojan.Win32.Blocker.dydjpz
TencentMsil.Trojan-Downloader.Ader.Rgil
EmsisoftGen:Variant.Bulz.421225 (B)
VIPREGen:Variant.Bulz.421225
SophosMal/Generic-S
IkarusTrojan.MSIL.Crypt
JiangminTrojan.Blocker.ic
WebrootW32.Trojan.GenKD
GoogleDetected
Antiy-AVLTrojan[Ransom]/Win32.Blocker
Kingsoftmalware.kb.c.991
XcitiumMalware@#kez848dedbgl
MicrosoftTrojan:Win32/Skeeyah.A!rfn
ZoneAlarmTrojan-Ransom.Win32.Blocker.htwu
GDataGen:Variant.Bulz.421225
CynetMalicious (score: 100)
DeepInstinctMALICIOUS
MalwarebytesGeneric.Malware/Suspicious
RisingRansom.Blocker!8.12A (CLOUD)
YandexTrojan.Blocker!rlr4IZK8K8w
SentinelOneStatic AI – Suspicious PE
MaxSecureTrojan.Malware.8830034.susgen
FortinetW32/Blocker.HTWU!tr
AVGWin32:Dropper-gen [Drp]
Cybereasonmalicious.fb4774
AvastWin32:Dropper-gen [Drp]

How to remove MSIL/TrojanDownloader.Agent.JB?

MSIL/TrojanDownloader.Agent.JB malware is extremely difficult to remove by hand. It stores its files in several places throughout the disk, and can get back itself from one of the elements. Additionally, numerous modifications in the windows registry, networking setups and also Group Policies are pretty hard to find and return to the original. It is much better to use a special program – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for virus elimination purposes.

Remove MSIL/TrojanDownloader.Agent.JB with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove MSIL/TrojanDownloader.Agent.JB as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.

setup-gridinsoft-fix.exe

3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for MSIL/TrojanDownloader.Agent.JB Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The MSIL/TrojanDownloader.Agent.JB was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The MSIL/TrojanDownloader.Agent.JB has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “MSIL/TrojanDownloader.Agent.JB” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website (gridinsoft.com) and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching MSIL/TrojanDownloader.Agent.JB Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching MSIL/TrojanDownloader.Agent.JB Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing MSIL/TrojanDownloader.Agent.JB and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Leave a Reply

Sending