Trojan:Win32/ExtenBro!MSR

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.

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.mlwpath: /opt/CAPEv2/storage/binaries/b37761715d5a2405a3fa75abccaf6bb15b7298673aaad91a158725be3c518a87crc32: BBD8FC0Fmd5: 21411dec44cb950ff7c33854949cf6d9sha1: c672a8f4a39c35f0f12c8fdc5e1f8a34c7236d7asha256: b37761715d5a2405a3fa75abccaf6bb15b7298673aaad91a158725be3c518a87sha512: fc6e634d91f296013e78d46f62a1e3b36a6bf704105e96ba21ffd8da7f6e167135c9740c28cad8f1bc50da98ba992bc87ab02b8129cda740cd24e82d255d528fssdeep: 6144:bbeYl5cwyARM4eeWXiKjQjHITs7TFSlf+BhhTR5U3Hje6u8bQn9JzHrLiOWR3:+Yl5cwyAGs7T0f+BhhTR5UUxHSOo3type: PE32 executable (console) Intel 80386, for MS Windowstlsh: T144943F49E78D486FCCFF45F838185D847B329F8AD4819186ADECF7A94830936BE52385sha3_384: a3f956161b76a27bef41ab31c79e24c76cd450a58818f8245fdf481d96478d5826cab53980a9be80d1638d7f919d23d8ep_bytes: ff250020400000000000000000000000timestamp: 2045-02-26 01:44:41

Version Info:

Translation: 0x0000 0x04b0Comments: CompanyName: GoogleFileDescription: Google Software UpdateFileVersion: 1.0.0.0InternalName: Google Software Update.exeLegalCopyright: Copyright © 2019 Google IncLegalTrademarks: Google IncOriginalFilename: Google Software Update.exeProductName: Google Software UpdateProductVersion: 1.0.0.0Assembly Version: 1.0.0.0

Trojan:Win32/ExtenBro!MSR also known as:

Bkav W32.AIDetectNet.01
Lionic Riskware.Win32.Bulz.1!c
Cynet Malicious (score: 100)
McAfee RDN/Generic.dx
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.24525
Sangfor Trojan.Msil.Delshad.Vfu6
K7AntiVirus Trojan ( 005941fb1 )
Alibaba Trojan:MSIL/DelShad.262ddffa
K7GW Trojan ( 005941fb1 )
Cybereason malicious.c44cb9
Cyren W32/ABRisk.XDZZ-1135
Symantec Trojan.Gen.MBT
Elastic malicious (high confidence)
ESET-NOD32 MSIL/Filecoder.HavanaCrypt.A
TrendMicro-HouseCall Ransom.MSIL.HAVANACRYPT.THFACBB
Paloalto generic.ml
Kaspersky HEUR:Trojan.MSIL.DelShad.gen
BitDefender IL:Trojan.MSILMamut.5096
NANO-Antivirus Trojan.Win32.DelShad.jqclvk
MicroWorld-eScan IL:Trojan.MSILMamut.5096
Avast Win32:Malware-gen
Tencent Msil.Trojan.Delshad.Hnun
Ad-Aware IL:Trojan.MSILMamut.5096
Emsisoft IL:Trojan.MSILMamut.5096 (B)
Comodo Malware@#1yuc1tf1nw6z7
DrWeb Trojan.DownLoader44.64115
VIPRE IL:Trojan.MSILMamut.5096
TrendMicro Ransom.MSIL.HAVANACRYPT.THFACBB
McAfee-GW-Edition Trojan-filecoder.b
SentinelOne Static AI – Suspicious PE
FireEye IL:Trojan.MSILMamut.5096
APEX Malicious
GData IL:Trojan.MSILMamut.5096
Jiangmin Trojan.MSIL.anays
Webroot W32.Ransom.Gen
Avira TR/Ransom.dhthr
Antiy-AVL Trojan/Generic.ASMalwS.6F12
Kingsoft Win32.Troj.Undef.(kcloud)
Arcabit IL:Trojan.MSILMamut.D13E8
Microsoft Trojan:Win32/ExtenBro!MSR
AhnLab-V3 Trojan/Win.Generic.C5168759
ALYac Trojan.Ransom.Filecoder
MAX malware (ai score=81)
VBA32 TScope.Trojan.MSIL
Malwarebytes Trojan.Crypt.MSIL
Rising Ransom.Agent!8.6B7 (CLOUD)
Ikarus Trojan-Ransom.HavanaCrypt
MaxSecure Trojan.Malware.74133646.susgen
Fortinet MSIL/Filecoder.ARP!tr.ransom
AVG Win32:Malware-gen
Panda Trj/RansomGen.A
CrowdStrike win/malicious_confidence_100% (W)

How to remove Trojan:Win32/ExtenBro!MSR?

About the author

Robert Bailey

Security engineer focused on malware behavior, removal workflows, and Windows hardening. Robert reviews threat articles for practical accuracy, checking detection names, symptoms, and cleanup steps before publication.

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