What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Trojan:Win32/ExtenBro!MSR detection means that your computer is in big danger. This computer virus can correctly be identified as ransomware – sort of malware which ciphers your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be done as soon as possible.
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Trojan:Win32/ExtenBro!MSR detection is a virus detection you can spectate in your system. It often shows up after the preliminary activities on your PC – opening the untrustworthy email, clicking the banner in the Web or setting up the program from suspicious resources. From the instance it appears, you have a short time to act until it starts its harmful action. And be sure – it is much better not to wait for these destructive effects.

What is Trojan:Win32/ExtenBro!MSR virus?

Trojan:Win32/ExtenBro!MSR is ransomware-type malware. It looks for the files on your disk, ciphers it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this virus additionally does a lot of harm to your system. It alters the networking setups in order to stop you from reading the removal guidelines or downloading the antivirus. In some cases, Trojan:Win32/ExtenBro!MSR can additionally stop the setup of anti-malware programs.

Trojan:Win32/ExtenBro!MSR Summary

In summary, Trojan:Win32/ExtenBro!MSR virus activities in the infected computer are next:

  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Authenticode signature is invalid;
  • Binary compilation timestomping detected;
  • Ciphering the files kept on the target’s drive — so the victim cannot open these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a major problem for the last 4 years. It is difficult to picture a more hazardous virus for both individuals and businesses. The algorithms utilized in Trojan:Win32/ExtenBro!MSR (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 already exists, and possibly will exist. But that virus does not do all these bad things immediately – it may take up to several hours to cipher all of your files. Therefore, seeing the Trojan:Win32/ExtenBro!MSR detection is a clear signal that you must begin the clearing procedure.

Where did I get the Trojan:Win32/ExtenBro!MSR?

General tactics of Trojan:Win32/ExtenBro!MSR distribution are common for all other ransomware examples. Those are one-day landing web pages where users are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a quite new strategy in malware spreading – you receive the e-mail that mimics some normal notifications about shipments or bank service conditions modifications. Within the e-mail, there is an infected MS Office file, or a link which opens the exploit landing page.

Malicious email spam

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

Avoiding it looks fairly simple, however, still needs tons of attention. Malware can hide in different places, and it is better to stop it even before it gets into your computer than to depend on an anti-malware program. General cybersecurity knowledge is just an essential item in the modern-day world, even if your relationship with a computer remains on YouTube videos. That can save you a lot of money and time which you would spend while looking for a fixing guide.

Trojan:Win32/ExtenBro!MSR malware technical details

File Info:

name: 21411DEC44CB950FF7C3.mlw
path: /opt/CAPEv2/storage/binaries/b37761715d5a2405a3fa75abccaf6bb15b7298673aaad91a158725be3c518a87
crc32: BBD8FC0F
md5: 21411dec44cb950ff7c33854949cf6d9
sha1: c672a8f4a39c35f0f12c8fdc5e1f8a34c7236d7a
sha256: b37761715d5a2405a3fa75abccaf6bb15b7298673aaad91a158725be3c518a87
sha512: fc6e634d91f296013e78d46f62a1e3b36a6bf704105e96ba21ffd8da7f6e167135c9740c28cad8f1bc50da98ba992bc87ab02b8129cda740cd24e82d255d528f
ssdeep: 6144:bbeYl5cwyARM4eeWXiKjQjHITs7TFSlf+BhhTR5U3Hje6u8bQn9JzHrLiOWR3:+Yl5cwyAGs7T0f+BhhTR5UUxHSOo3
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T144943F49E78D486FCCFF45F838185D847B329F8AD4819186ADECF7A94830936BE52385
sha3_384: a3f956161b76a27bef41ab31c79e24c76cd450a58818f8245fdf481d96478d5826cab53980a9be80d1638d7f919d23d8
ep_bytes: ff250020400000000000000000000000
timestamp: 2045-02-26 01:44:41

Version Info:

Translation: 0x0000 0x04b0
CompanyName: Google
FileDescription: Google Software Update
InternalName: Google Software Update.exe
LegalCopyright: Copyright © 2019 Google Inc
LegalTrademarks: Google Inc
OriginalFilename: Google Software Update.exe
ProductName: Google Software Update
Assembly Version:

Trojan:Win32/ExtenBro!MSR also known as:

CynetMalicious (score: 100)
K7AntiVirusTrojan ( 005941fb1 )
K7GWTrojan ( 005941fb1 )
Elasticmalicious (high confidence)
EmsisoftIL:Trojan.MSILMamut.5096 (B)
SentinelOneStatic AI – Suspicious PE
MAXmalware (ai score=81)
RisingRansom.Agent!8.6B7 (CLOUD)
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:Win32/ExtenBro!MSR?

Trojan:Win32/ExtenBro!MSR malware is very difficult to remove manually. It places its files in multiple places throughout the disk, and can recover itself from one of the parts. Additionally, numerous modifications in the windows registry, networking settings and Group Policies are quite hard to locate and revert to the initial. It is far better to use a specific tool – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the most ideal for virus elimination goals.

Why GridinSoft Anti-Malware? It is really lightweight and has its databases updated practically every hour. Furthermore, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for taking out 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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