What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Trojan-Ransom.Win32.Blocker.caut malware detection usually means that your PC is in big danger. This computer virus can correctly be named as ransomware – virus which ciphers your files and forces 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-Ransom.Win32.Blocker.caut detection is a virus detection you can spectate in your system. It frequently shows up after the preliminary procedures on your PC – opening the suspicious email messages, clicking the advertisement in the Web or mounting the program from untrustworthy sources. From the second it shows up, you have a short time to act before it begins its destructive activity. And be sure – it is far better not to await these destructive actions.

What is Trojan-Ransom.Win32.Blocker.caut virus?

Trojan-Ransom.Win32.Blocker.caut is ransomware-type malware. It looks for the documents on your disk, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your documents inaccessible, this malware additionally does a lot of harm to your system. It modifies the networking settings in order to prevent you from looking for the removal guidelines or downloading the antivirus. In rare cases, Trojan-Ransom.Win32.Blocker.caut can also block the launching of anti-malware programs.

Trojan-Ransom.Win32.Blocker.caut Summary

Summarizingly, Trojan-Ransom.Win32.Blocker.caut ransomware activities in the infected computer are next:

  • .NET file is packed/obfuscated with SmartAssembly;
  • Authenticode signature is invalid;
  • Anomalous .NET characteristics;
  • Ciphering the documents kept on the target’s drive — 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 nightmare for the last 4 years. It is difficult to picture a more dangerous malware for both individual users and businesses. The algorithms utilized in Trojan-Ransom.Win32.Blocker.caut (usually, 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. But that malware does not do all these horrible things immediately – it can require up to several hours to cipher all of your documents. Hence, seeing the Trojan-Ransom.Win32.Blocker.caut detection is a clear signal that you have to begin the removal procedure.

Where did I get the Trojan-Ransom.Win32.Blocker.caut?

Routine ways of Trojan-Ransom.Win32.Blocker.caut injection are typical for all other ransomware examples. Those are one-day landing websites where users are offered to download the free program, so-called bait emails and hacktools. Bait emails are a relatively modern strategy in malware spreading – you receive the email that mimics some regular notifications about deliveries or bank service conditions updates. Inside of the email, there is an infected 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 pretty simple, however, still requires a lot of focus. Malware can hide in various spots, and it is better to prevent it even before it invades your PC than to depend on an anti-malware program. Basic cybersecurity awareness is just an important thing in the modern-day world, even if your interaction with a PC remains on YouTube videos. That can save you a lot of money and time which you would spend while trying to find a fixing guide.

Trojan-Ransom.Win32.Blocker.caut malware technical details

File Info:

name: 156A7D05399E81D3652F.mlw
path: /opt/CAPEv2/storage/binaries/abf511477a67a6fbc4a5c0b73696529a77872c408144179b4e8aa53087873b29
crc32: 17420C8F
md5: 156a7d05399e81d3652f2e1198222429
sha1: 0ac6f9a13c3befd5348b00bbe6ff3b32e8d1cccc
sha256: abf511477a67a6fbc4a5c0b73696529a77872c408144179b4e8aa53087873b29
sha512: 1c05cc6caf2d24e19fccb183c428e3fbae8a51f79add49d51b803425bcff357051ff792543a4e41bd844e47ef282efd293afa2c31bafe249e2918b21c62a05bc
ssdeep: 3072:lRsNbFxHnyHjIGTG8ZtuvakuKc7e8k+O3sZ43GF7Gkw7g/:lRsNbFxHyHsGTTZtBbk+8C43J+
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T19A142A9AFE75AA02CD0C427795D3A5BC4199D92E7722F7CF61C50E230B067EE8DC904A
sha3_384: edb7ba96c9a2bf3d122504f0028311555312a79d2e64d5f3af907cba85595fb2400fa41c6559aa6203c5c852b9201af9
ep_bytes: ff250020400000000000000000000000
timestamp: 2013-08-09 18:08:03

Version Info:

Translation: 0x0000 0x04b0
Comments: RPX 1.3.4400.61
InternalName: no-ip.packed.exe
OriginalFilename: no-ip.packed.exe
Assembly Version:

Trojan-Ransom.Win32.Blocker.caut also known as:

Bkav W32.AIDetectNet.01
DrWeb Trojan.DownLoader7.22173
McAfee Artemis!156A7D05399E
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
BitDefenderTheta Gen:NN.ZemsilF.34646.mm0@aaLo7Kn
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of MSIL/Kryptik.JB
APEX Malicious
ClamAV Win.Packed.njRAT-7752919-1
Kaspersky Trojan-Ransom.Win32.Blocker.caut
NANO-Antivirus Trojan.Win32.Kryptik.cxwdrk
Avast Win32:Malware-gen
Tencent Win32.Trojan.Blocker.Simw
Comodo Malware@#1ze6mv1rgurps
Sophos ML/PE-A
SentinelOne Static AI – Malicious PE
Google Detected
Avira TR/Dropper.Gen
Antiy-AVL Trojan/Generic.ASMalwS.60F
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 99)
Malwarebytes Trojan.Agent.Gen
Rising Trojan.Generic/[email protected] (RDM.MSIL:2ipGaOB3gr2x1mItALoQRw)
Yandex Trojan.Agent!psmmIwtGVPo
Ikarus Trojan.MSIL2
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Blocker.CAUT!tr
AVG Win32:Malware-gen
Cybereason malicious.13c3be
Panda Trj/CI.A

How to remove Trojan-Ransom.Win32.Blocker.caut?

Trojan-Ransom.Win32.Blocker.caut malware is incredibly hard to eliminate manually. It puts its documents in multiple places throughout the disk, and can get back itself from one of the parts. Additionally, countless modifications in the registry, networking setups and also Group Policies are fairly hard to locate and return to the original. It is much better to use a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for virus elimination objectives.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated practically every hour. In addition, it does not have such bugs and exposures as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware ideal for removing malware of any kind.

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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