What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan:Win32/Loasum.A detection usually means that your computer is in big danger. This computer virus can correctly be named as ransomware – virus which ciphers your files and asks you to pay for their decryption. Deleteing it requires some unusual steps that must be done as soon as possible.
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Trojan:Win32/Loasum.A detection is a virus detection you can spectate in your system. It frequently appears after the preliminary procedures on your computer – opening the suspicious e-mail messages, clicking the banner in the Web or mounting the program from unreliable resources. From the instance it appears, you have a short time to act until it starts its malicious action. And be sure – it is better not to await these harmful actions.

What is Trojan:Win32/Loasum.A virus?

Trojan:Win32/Loasum.A is ransomware-type malware. It looks for the files on your disks, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files locked, this virus also does a lot of damage to your system. It changes the networking setups in order to prevent you from looking for the elimination guidelines or downloading the anti-malware program. In some cases, Trojan:Win32/Loasum.A can even prevent the launching of anti-malware programs.

Trojan:Win32/Loasum.A Summary

In summary, Trojan:Win32/Loasum.A malware actions in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Presents an Authenticode digital signature;
  • Dynamic (imported) function loading detected;
  • Authenticode signature is invalid;
  • Ciphering the documents kept on the target’s disks — so the victim cannot use these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a major problem for the last 4 years. It is hard to realize a more hazardous virus for both individuals and companies. The algorithms utilized in Trojan:Win32/Loasum.A (typically, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy already exists, and possibly will exist. However, that malware does not do all these horrible things without delay – it may take up to a few hours to cipher all of your files. Therefore, seeing the Trojan:Win32/Loasum.A detection is a clear signal that you need to begin the removal process.

Where did I get the Trojan:Win32/Loasum.A?

Usual methods of Trojan:Win32/Loasum.A injection are common for all other ransomware variants. 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 tactic in malware distribution – you receive the email that imitates some regular notifications about shipments or bank service conditions updates. Within the e-mail, there is a malicious MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

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

Preventing it looks fairly simple, however, still demands a lot of awareness. Malware can hide in different places, and it is far better to prevent it even before it gets into your system than to rely on an anti-malware program. Common cybersecurity knowledge is just an essential item in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may save you a great deal of time and money which you would spend while trying to find a fixing guide.

Trojan:Win32/Loasum.A malware technical details

File Info:

name: FE8DAE06D4B9165C6BE6.mlw
path: /opt/CAPEv2/storage/binaries/c532d28f9700abba1a4803c3a9d886c8c4fb26f84cf2399c533d68cfdcec4fa7
crc32: A4F094E1
md5: fe8dae06d4b9165c6be675e184bfaca9
sha1: 5244f99411acdf30ca6832b2e6352afdd68c88f3
sha256: c532d28f9700abba1a4803c3a9d886c8c4fb26f84cf2399c533d68cfdcec4fa7
sha512: 33bdc3839ac944be9c6a5f6f16dc5ba3bfd8c0da66aa6772e5d4306234028e9fc6da871c9a4d65a3ce64a768404f5ea37c5d1fc3f1093f1826448711028a2552
ssdeep: 12288:0/YpRRbRftUf8S7DMbrhL+52971/XtnP1APDoEqb9CSnrzKTJnIii1be9hnU3Mue:RJbXK7Du8gDPWPUECf8ade0aldNYlA
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B115123172E388E2D83125B1695098A6667DF7514E814A7B23EC827E1EF43C05B7BCB7
sha3_384: 431e0664e8cde251aec482626cf3eb8def8f3eff617beeb2c2704e4267da67d510f39cc8d524f08d097a41a8dae35566
ep_bytes: e834060000e97afeffff5064ff350000
timestamp: 2022-05-04 20:09:04

Version Info:

ProductName: balenaEtcher
CompanyName: Balena Inc.
LegalCopyright: Copyright 2016-2021 Balena Ltd
ProductVersion: 1.7.8
FileDescription: Flash OS images to SD cards and USB drives, safely and easily.
FileVersion: 1.7.8
Translation: 0x0409 0x04b0

Trojan:Win32/Loasum.A also known as:

K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
AvastWin32:TrojanX-gen [Trj]
SophosMal/Generic-S + Mal/Generic-L
EmsisoftGen:Variant.Ser.Lazy.865 (B)
CynetMalicious (score: 100)
MAXmalware (ai score=89)
RisingRansom.BlackBasta!8.156C4 (KTSE)
SentinelOneStatic AI – Suspicious PE
AVGWin32:TrojanX-gen [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:Win32/Loasum.A?

Trojan:Win32/Loasum.A malware is extremely difficult to remove manually. It places its files in numerous places throughout the disk, and can recover itself from one of the parts. Furthermore, a number of alterations in the windows registry, networking setups and also Group Policies are fairly hard to discover and change to the initial. It is far better to utilize a specific tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for virus removal purposes.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated just about every hour. In addition, it does not have such bugs and weakness as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for clearing away malware of any form.

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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