TrojanDropper:Win32/Agent.UM Virus Removal

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

Seeing the TrojanDropper:Win32/Agent.UM detection name usually means that your system is in big danger. This malware can correctly be named as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some unusual steps that must be done as soon as possible.

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TrojanDropper:Win32/Agent.UM detection is a malware detection you can spectate in your computer. It frequently shows up after the preliminary activities on your PC – opening the suspicious e-mail, clicking the banner in the Web or setting up the program from dubious resources. From the instance it appears, you have a short time to act before it starts its destructive action. And be sure – it is much better not to await these harmful actions.

What is TrojanDropper:Win32/Agent.UM virus?

TrojanDropper:Win32/Agent.UM is ransomware-type malware. It looks for the files on your computer, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus also does a ton of harm to your system. It modifies the networking settings in order to stop you from looking for the removal tutorials or downloading the anti-malware program. In rare cases, TrojanDropper:Win32/Agent.UM can even stop the launching of anti-malware programs.

TrojanDropper:Win32/Agent.UM Summary

In total, TrojanDropper:Win32/Agent.UM ransomware actions in the infected PC are next:

  • Authenticode signature is invalid;
  • Ciphering the files located on the target’s disk drive — so the victim cannot check these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has been a major problem for the last 4 years. It is difficult to picture a more damaging virus for both individual users and businesses. The algorithms utilized in TrojanDropper:Win32/Agent.UM (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy already exists, and possibly will exist. However, that virus does not do all these bad things immediately – it can require up to a few hours to cipher all of your files. Thus, seeing the TrojanDropper:Win32/Agent.UM detection is a clear signal that you should begin the elimination process.

Where did I get the TrojanDropper:Win32/Agent.UM?

Standard tactics of TrojanDropper:Win32/Agent.UM spreading are typical for all other ransomware examples. Those are one-day landing websites where victims are offered to download the free app, so-called bait emails and hacktools. Bait e-mails are a quite modern tactic in malware distribution – you receive the email that mimics some normal notifications about deliveries or bank service conditions modifications. Inside of the e-mail, there is a corrupted 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 easy, but still demands tons of focus. Malware can hide in various spots, and it is better to stop it even before it invades your system than to rely upon an anti-malware program. Basic cybersecurity knowledge is just an important thing in the modern-day world, even if your relationship with a computer remains on YouTube videos. That may keep you a lot of time and money which you would spend while trying to find a solution.

TrojanDropper:Win32/Agent.UM malware technical details

File Info:

name: 04A00BDCCDFA14517830.mlw
path: /opt/CAPEv2/storage/binaries/f3e637820e48643ae5356ef2a378fd7ff2cfc453574e4d37e679f164a3f95300
crc32: 4C53C395
md5: 04a00bdccdfa145178306427d22cacd3
sha1: 6d532f291f31a52364c04aefbf58771d47ecf802
sha256: f3e637820e48643ae5356ef2a378fd7ff2cfc453574e4d37e679f164a3f95300
sha512: b18b548ababe1ad60f43fe8b7b70d9c85bc5146083b506856b5b168e142772ddd6c334639a5119c69238784a785a81e7f7a2b07c9cfd0386b61408c3cf7d6b23
ssdeep: 384:KJZMWceEtSTK2zNRZJhjJwKwV1NbYfX6mOlsHdh5WcvnRR:gMWZnKQtpwKwZbct9n5WY
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1C7E29EB3D52A84F2EBB2073BD92C41178B5107D663D7B118FD3A3E5F88247C4582869A
sha3_384: ac7089e1371afa68b8a4a554fae0aff43ea08b179aafc6f1b6df0cca493eeb2a7eea9dfe5e2cc00d3716f824814f5d15
ep_bytes: e9260000000000224770000000470000
timestamp: 2008-03-27 01:26:36

Version Info:

0: [No Data]

TrojanDropper:Win32/Agent.UM also known as:

BkavW32.AIDetectMalware
LionicTrojan.Win32.Shutdowner.tnY0
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
FireEyeGeneric.mg.04a00bdccdfa1451
CAT-QuickHealTrojan.GenericCS.S27489164
McAfeeGeneric Dropper.ahy
MalwarebytesGeneric.Malware/Suspicious
ZillyaTrojan.Shutdowner.Win32.4312
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 700000011 )
AlibabaTrojanDropper:Win32/Shutdowner.d3bb381a
K7GWTrojan ( 700000011 )
CrowdStrikewin/malicious_confidence_100% (D)
VirITTrojan.Win32.Shutdowner.BQQ
CyrenW32/Trojan.XHMJ-8180
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.ADD
APEXMalicious
ClamAVWin.Trojan.Agent-113344
KasperskyTrojan.Win32.Shutdowner.bqq
BitDefenderTrojan.FakeAntivirus.Gen
NANO-AntivirusTrojan.Win32.Shutdowner.viix
MicroWorld-eScanTrojan.FakeAntivirus.Gen
AvastWin32:Downloader-CBY [Trj]
TencentMalware.Win32.Gencirc.10b26be3
TACHYONTrojan/W32.Shutdowner.31232.B
SophosMal/EncPk-CZ
F-SecureTrojan-Downloader:W32/Renos.gen!C
DrWebTrojan.DownLoader.50219
VIPRETrojan.FakeAntivirus.Gen
TrendMicroTROJ_FAKEALE.SMJ
McAfee-GW-EditionGeneric Dropper.ahy
Trapminemalicious.moderate.ml.score
EmsisoftTrojan.FakeAntivirus.Gen (B)
IkarusTrojan.Vundo
GDataTrojan.FakeAntivirus.Gen
JiangminTrojan/Shutdowner.rp
AviraTR/Agent.irgws
Antiy-AVLTrojan/Win32.Shutdowner
XcitiumTrojWare.Win32.PkdKrap.AG@1naz70
ArcabitTrojan.FakeAntivirus.Gen
ViRobotTrojan.Win32.Downloader.31232.BD
ZoneAlarmTrojan.Win32.Shutdowner.bqq
MicrosoftTrojanDropper:Win32/Agent.UM
GoogleDetected
AhnLab-V3Trojan/Win32.Shutdowner.C81615
BitDefenderThetaAI:Packer.8D00D4161E
ALYacTrojan.FakeAntivirus.Gen
MAXmalware (ai score=100)
VBA32Trojan-Downloader.Win32.Small
Cylanceunsafe
PandaSpyware/Virtumonde
TrendMicro-HouseCallTROJ_FAKEALE.SMJ
RisingTrojan.Bulta!8.35D (TFE:2:vYtsZKmXdvB)
YandexTrojan.GenAsa!E9b6/13loO0
SentinelOneStatic AI – Malicious PE
FortinetW32/Kryptik.BV!tr
AVGWin32:Downloader-CBY [Trj]
Cybereasonmalicious.91f31a
DeepInstinctMALICIOUS

How to remove TrojanDropper:Win32/Agent.UM?

TrojanDropper:Win32/Agent.UM malware is extremely difficult to eliminate manually. It stores its data in several places throughout the disk, and can get back itself from one of the parts. In addition, various modifications in the windows registry, networking settings and also Group Policies are really hard to find and revert to the initial. It is better to utilize a special tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for virus removal purposes.

Remove TrojanDropper:Win32/Agent.UM 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 TrojanDropper:Win32/Agent.UM 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 TrojanDropper:Win32/Agent.UM 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 TrojanDropper:Win32/Agent.UM 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 TrojanDropper:Win32/Agent.UM 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 “TrojanDropper:Win32/Agent.UM” 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 TrojanDropper:Win32/Agent.UM Virus

Step 4: Remove Found Threats:

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

Searching TrojanDropper:Win32/Agent.UM 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 TrojanDropper:Win32/Agent.UM 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.

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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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