VHO:Backdoor.MSIL.NanoBot

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the VHO:Backdoor.MSIL.NanoBot detection name usually means that your system is in big danger. This malware can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be taken as soon as possible.
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VHO:Backdoor.MSIL.NanoBot detection is a virus detection you can spectate in your system. It often shows up after the provoking actions on your computer – opening the untrustworthy email, clicking the advertisement in the Web or mounting the program from untrustworthy resources. From the instance it shows up, you have a short time to act until it begins its harmful action. And be sure – it is far better not to await these malicious effects.

What is VHO:Backdoor.MSIL.NanoBot virus?

VHO:Backdoor.MSIL.NanoBot is ransomware-type malware. It searches for the files on your disks, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this malware also does a lot of damage to your system. It changes the networking settings in order to prevent you from reading the elimination guides or downloading the antivirus. In some cases, VHO:Backdoor.MSIL.NanoBot can also prevent the launching of anti-malware programs.

VHO:Backdoor.MSIL.NanoBot Summary

In total, VHO:Backdoor.MSIL.NanoBot virus actions in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • At least one process apparently crashed during execution;
  • Dynamic (imported) function loading detected;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Korean;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Encrypting the files located on the target’s disks — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a nightmare for the last 4 years. It is difficult to imagine a more damaging virus for both individuals and corporations. The algorithms utilized in VHO:Backdoor.MSIL.NanoBot (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. But that malware does not do all these horrible things immediately – it may require up to a few hours to cipher all of your files. Thus, seeing the VHO:Backdoor.MSIL.NanoBot detection is a clear signal that you must begin the removal process.

Where did I get the VHO:Backdoor.MSIL.NanoBot?

Common methods of VHO:Backdoor.MSIL.NanoBot distribution are usual for all other ransomware examples. Those are one-day landing web pages where victims are offered to download and install the free app, so-called bait e-mails and hacktools. Bait emails are a pretty new strategy in malware distribution – you receive the e-mail that mimics some routine notifications about deliveries or bank service conditions shifts. Inside of the email, there is a corrupted MS Office file, or a web link which leads to the exploit landing site.

Malicious email spam

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

Avoiding it looks quite simple, but still requires a lot of awareness. Malware can hide in different spots, and it is much better to prevent it even before it gets into your computer than to rely upon an anti-malware program. Basic cybersecurity knowledge is just an important thing in the modern world, even if your relationship with a computer stays on YouTube videos. That can save you a lot of money and time which you would spend while seeking a fixing guide.

VHO:Backdoor.MSIL.NanoBot malware technical details

File Info:

name: 19AA37EA4A2042B54EAC.mlw
path: /opt/CAPEv2/storage/binaries/05a0d1a5d69b6fb408428f03f7f610a0aa5d27c74efdd11e318fc2690dd376ce
crc32: 2DB78B5E
md5: 19aa37ea4a2042b54eac3c66862a8557
sha1: dc6fca816bbb1d16e50f86e6d9abb5bac61b0ea1
sha256: 05a0d1a5d69b6fb408428f03f7f610a0aa5d27c74efdd11e318fc2690dd376ce
sha512: 189d14f0a16bd29686a9d37954fcb8b65602a281abe1443877be0734e2f4262b78e0d7fabc194a4c0aedf6c28c1789c4c681832faea154073d7b6cb4d41ca3be
ssdeep: 6144:lPIwl98TpFfHg0BBaPlzOiBreqDmGQmvsysTLOt25X5YQS:lPgPAsAP1OiBre5z4U6t2B
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T168647D10BB90D035F5B712F44ABA8378A93D3AA1572490CF63E46EEE56346E0ED3135B
sha3_384: f2541b6c989d84344eb01ff1b3a0870a07daf58d9aed29b5417384cc3de05b85a4533fe07197fd563dc7c860630eea58
ep_bytes: 8bff558bece8f6ce0000e8110000005d
timestamp: 2021-06-22 02:51:39

Version Info:

Translations: 0x0153 0x036f

VHO:Backdoor.MSIL.NanoBot also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
FireEyeGeneric.mg.19aa37ea4a2042b5
CAT-QuickHealRansom.Stop.P5
CylanceUnsafe
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 005690671 )
K7GWTrojan ( 005690671 )
CrowdStrikewin/malicious_confidence_100% (D)
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
KasperskyVHO:Backdoor.MSIL.NanoBot.gen
McAfee-GW-EditionBehavesLike.Win32.Virut.fh
SentinelOneStatic AI – Malicious PE
Trapminemalicious.moderate.ml.score
SophosML/PE-A + Troj/Krypt-FV
APEXMalicious
GDataWin32.Trojan.PSE.10CPGR
MicrosoftRansom:Win32/StopCrypt.SL!MTB
CynetMalicious (score: 100)
McAfeePacked-GEE!19AA37EA4A20
RisingMalware.Obscure!1.A3BB (CLASSIC)
IkarusTrojan-Ransom.StopCrypt
Cybereasonmalicious.16bbb1

How to remove VHO:Backdoor.MSIL.NanoBot?

VHO:Backdoor.MSIL.NanoBot malware is extremely hard to delete manually. It stores its documents in several locations throughout the disk, and can get back itself from one of the elements. Furthermore, numerous alterations in the windows registry, networking configurations and Group Policies are fairly hard to find and return to the original. It is much better to use a special program – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for virus removal goals.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated nearly every hour. Furthermore, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware ideal for removing 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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