What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan.Win32.Cobalt.ekb detection name usually means that your computer is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be taken as soon as possible.
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Trojan.Win32.Cobalt.ekb detection is a virus detection you can spectate in your computer. It generally shows up after the provoking procedures on your computer – opening the dubious email messages, clicking the banner in the Web or setting up the program from unreliable sources. From the second it shows up, you have a short time to do something about it until it begins its destructive action. And be sure – it is far better not to await these destructive things.

What is Trojan.Win32.Cobalt.ekb virus?

Trojan.Win32.Cobalt.ekb is ransomware-type malware. It looks for the files on your disk drive, encrypts it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a lot of damage to your system. It changes the networking setups in order to avoid you from reading the elimination manuals or downloading the anti-malware program. Sometimes, Trojan.Win32.Cobalt.ekb can additionally block the launching of anti-malware programs.

Trojan.Win32.Cobalt.ekb Summary

In summary, Trojan.Win32.Cobalt.ekb ransomware actions in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Ciphering the files kept on the target’s disks — so the victim cannot open 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 horror story for the last 4 years. It is challenging to imagine a more hazardous virus for both individuals and corporations. The algorithms used in Trojan.Win32.Cobalt.ekb (generally, 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 currently exists, and possibly will exist. However, that virus does not do all these unpleasant things without delay – it can take up to a few hours to cipher all of your documents. Thus, seeing the Trojan.Win32.Cobalt.ekb detection is a clear signal that you have to start the elimination procedure.

Where did I get the Trojan.Win32.Cobalt.ekb?

Typical methods of Trojan.Win32.Cobalt.ekb injection are standard for all other ransomware variants. Those are one-day landing web pages where victims are offered to download and install the free program, so-called bait e-mails and hacktools. Bait e-mails are a pretty modern tactic in malware spreading – you receive the email that imitates some regular notifications about shippings or bank service conditions updates. Inside of the e-mail, there is a malicious 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 pretty simple, however, still requires tons of attention. Malware can hide in various spots, and it is much better to stop it even before it goes into your system than to rely on an anti-malware program. Standard cybersecurity awareness is just an essential thing in the modern world, even if your relationship with a computer remains on YouTube videos. That may keep you a lot of time and money which you would spend while looking for a fixing guide.

Trojan.Win32.Cobalt.ekb malware technical details

File Info:

name: 04608335729F10A1372E.mlw
path: /opt/CAPEv2/storage/binaries/2779cca0456cf0247f3ad22414b8a97bd5d54657a4ed13b89ee65beaa5edb0e7
crc32: 7B0C959B
md5: 04608335729f10a1372eee082a482918
sha1: e85ffafdb3f4a6dcc8d6caccfd5d715d0b1bbb10
sha256: 2779cca0456cf0247f3ad22414b8a97bd5d54657a4ed13b89ee65beaa5edb0e7
sha512: e03e4b07c0edd7204da9475574dd8eb2366e045646ecef221486a7dbf6fec024793e20c15b772e17628d7096d78066301e3d4f2d98ba07a2bc111bb429bdb6df
ssdeep: 49152:S8G/tgJgp77K8s7ogQlnKRk4zvjPhZARO/buXzYmPsR1+XmxPyG5F1F:VYtw8hlnak4ztZH/CXsJ
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1F6066B40F9DB84F6E603453044ABA3BFAB30AA098739CBD3D6486F5BE877AD14D72115
sha3_384: 5d7603d2166a8cd65624b05539b0c6dab42b7dac4ece936be752e0f79bcf45a73fd6b00350ab876924986283bf678a41
ep_bytes: e92bdbffffcccccccccccccccccccccc
timestamp: 1970-01-01 00:00:00

Version Info:

0: [No Data]

Trojan.Win32.Cobalt.ekb also known as:

EmsisoftTrojan.GenericKD.46636592 (B)
SophosGeneric PUA OI (PUA)
MAXmalware (ai score=88)
CynetMalicious (score: 100)
RisingTrojan.Generic@ML.84 (RDMK:z6SXS2ddX4SCxRHjxfclFQ)
SentinelOneStatic AI – Suspicious PE

How to remove Trojan.Win32.Cobalt.ekb?

Trojan.Win32.Cobalt.ekb malware is very hard to remove by hand. It stores its files in a variety of locations throughout the disk, and can restore itself from one of the parts. In addition, a range of modifications in the windows registry, networking settings and also Group Policies are quite hard to locate and revert to the original. It is much better to utilize a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for malware removal objectives.

Why GridinSoft Anti-Malware? It is really lightweight and has its detection databases updated almost every hour. Furthermore, it does not have such problems and exposures as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect 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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