What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan:Win32/NgrBot.MA!MTB detection name usually means that your PC is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and asks you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.
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Trojan:Win32/NgrBot.MA!MTB detection is a virus detection you can spectate in your computer. It frequently shows up after the preliminary activities on your computer – opening the suspicious email, clicking the advertisement in the Web or installing the program from unreliable sources. From the instance it shows up, you have a short time to do something about it before it starts its destructive activity. And be sure – it is far better not to wait for these destructive actions.

What is Trojan:Win32/NgrBot.MA!MTB virus?

Trojan:Win32/NgrBot.MA!MTB is ransomware-type malware. It searches for the documents on your disk drive, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware additionally does a lot of harm to your system. It changes the networking settings in order to prevent you from reading the removal guidelines or downloading the anti-malware program. In rare cases, Trojan:Win32/NgrBot.MA!MTB can additionally block the launching of anti-malware programs.

Trojan:Win32/NgrBot.MA!MTB Summary

Summarizingly, Trojan:Win32/NgrBot.MA!MTB malware activities in the infected PC are next:

  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Spanish (Puerto Rico);
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • Behavioural detection: Injection with CreateRemoteThread in a remote process;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Harvests cookies for information gathering;
  • Uses suspicious command line tools or Windows utilities;
  • Encrypting the documents located on the target’s drives — so the victim cannot check these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has actually been a nightmare for the last 4 years. It is hard to realize a more damaging malware for both individuals and businesses. The algorithms utilized in Trojan:Win32/NgrBot.MA!MTB (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 currently exists, and possibly will exist. But that malware does not do all these bad things instantly – it may take up to several hours to cipher all of your files. Thus, seeing the Trojan:Win32/NgrBot.MA!MTB detection is a clear signal that you need to start the clearing procedure.

Where did I get the Trojan:Win32/NgrBot.MA!MTB?

Routine tactics of Trojan:Win32/NgrBot.MA!MTB spreading are common for all other ransomware examples. Those are one-day landing sites where users are offered to download the free program, so-called bait e-mails and hacktools. Bait e-mails are a quite modern strategy in malware distribution – you get the email that simulates some normal notifications about shippings or bank service conditions updates. Within the e-mail, there is a malicious MS Office file, or a link which leads to the exploit landing page.

Malicious email spam

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

Avoiding it looks quite simple, but still requires tons of focus. Malware can hide in different places, and it is better to prevent it even before it gets into your system than to rely on an anti-malware program. Essential cybersecurity knowledge is just an essential thing in the modern world, even if your relationship with a PC remains on YouTube videos. That may save you a lot of money and time which you would spend while searching for a fixing guide.

Trojan:Win32/NgrBot.MA!MTB malware technical details

File Info:

name: 53EE07FB55B8EBBBD5B3.mlw
path: /opt/CAPEv2/storage/binaries/8515b43a95e642dac4053022889afa2fddca947c1864c3e76c46c2f34e41ec84
crc32: FDD5E5FE
md5: 53ee07fb55b8ebbbd5b3b0b97edf1bbb
sha1: 90552c261c92807ab5d2a584364c11e6bfeb14f0
sha256: 8515b43a95e642dac4053022889afa2fddca947c1864c3e76c46c2f34e41ec84
sha512: aa9212c8d62acd0a5b04ffb76057a2872a62c19337ae2c306fec4d19cac233956df91fc5eff56a69ae8d10b12ebd2329dd041d05645f4c4f6a8267220bf7e912
ssdeep: 3072:Xj5vxxEScxhDP+8ADGDOLN30w0tgf7XD7Kvk6BBsI:XVvxx4DW8zSLNkw1DXfCk6V
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17FE34B07BB5982A3D06F0E3014B84B58E735E4397F5A438B5668BB7CEDD03C22E16799
sha3_384: 344d475563260a547aa564c8bc36dcd047cd20d8c71d3ec0f4e6fd3cf5ae339c4bddd15efc12779860cb93ddd4d189f2
ep_bytes: e888390000e989feffff2da403000074
timestamp: 2013-08-26 21:22:36

Version Info:

Comments: Allows Pidgin to be run from a removable drive. For additional details, visit
FileDescription: Pidgin Portable
InternalName: Pidgin Portable
LegalCopyright: John T. Haller
LegalTrademarks: is a Trademark of Rare Ideas, LLC.
OriginalFilename: PidginPortable.exe
ProductName: Pidgin Portable
Translation: 0x0000 0x04b0

Trojan:Win32/NgrBot.MA!MTB also known as:

K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
ESET-NOD32a variant of Win32/Injector.ALPW
AvastWin32:Dofoil-EM [Trj]
SophosML/PE-A + Mal/EncPk-AKA
EmsisoftGen:Variant.Ransom.Hydracrypt.7 (B)
SentinelOneStatic AI – Malicious PE
CynetMalicious (score: 100)
MAXmalware (ai score=88)
RisingTrojan.Dorkbot!8.1295 (TFE:5:lkbDldnaPFE)
AVGWin32:Dofoil-EM [Trj]
PandaGeneric Malware
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Trojan:Win32/NgrBot.MA!MTB?

Trojan:Win32/NgrBot.MA!MTB malware is very difficult to erase by hand. It stores its files in multiple places throughout the disk, and can get back itself from one of the elements. Additionally, a lot of changes in the windows registry, networking setups and also Group Policies are quite hard to find and revert to the initial. It is far better to make use of a special app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal objectives.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated almost every hour. Additionally, it does not have such problems and exploits as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware suitable for eliminating malware of any type.

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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