What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Virus.Win32.Expiro.ns detection means that your system is in big danger. This malware can correctly be named as ransomware – virus which ciphers your files and forces you to pay for their decryption. Stopping it requires some unusual steps that must be done as soon as possible.
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Virus.Win32.Expiro.ns detection is a malware detection you can spectate in your system. It frequently appears after the provoking activities on your computer – opening the untrustworthy e-mail, clicking the advertisement in the Web or installing the program from unreliable resources. From the instance it appears, you have a short time to do something about it before it starts its malicious activity. And be sure – it is far better not to await these destructive effects.

What is Virus.Win32.Expiro.ns virus?

Virus.Win32.Expiro.ns is ransomware-type malware. It looks for the files on your disk drive, 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 harm to your system. It changes the networking settings in order to prevent you from reading the elimination guidelines or downloading the anti-malware program. In some cases, Virus.Win32.Expiro.ns can additionally block the setup of anti-malware programs.

Virus.Win32.Expiro.ns Summary

In total, Virus.Win32.Expiro.ns virus activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • HTTPS urls from behavior.;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Latvian;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Behavioural detection: Injection (inter-process);
  • Created a process from a suspicious location;
  • Collects and encrypts information about the computer likely to send to C2 server;
  • Installs itself for autorun at Windows startup;
  • STOP ransomware registry artifacts detected;
  • CAPE detected the STOP malware family;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Creates a known STOP ransomware variant mutex;
  • STOP ransomware command line behavior detected;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents located on the victim’s disk drives — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-virus programs
  • Blocking the launching of installation files of security tools

Ransomware has been a horror story for the last 4 years. It is difficult to imagine a more harmful virus for both individual users and businesses. The algorithms utilized in Virus.Win32.Expiro.ns (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy currently exists, and possibly will exist. However, that virus does not do all these horrible things without delay – it may take up to several hours to cipher all of your files. Hence, seeing the Virus.Win32.Expiro.ns detection is a clear signal that you should begin the elimination process.

Where did I get the Virus.Win32.Expiro.ns?

Typical ways of Virus.Win32.Expiro.ns distribution are typical for all other ransomware variants. Those are one-day landing sites where users are offered to download and install the free app, so-called bait e-mails and hacktools. Bait e-mails are a pretty new tactic in malware distribution – you receive the email that mimics some routine notifications about shipments or bank service conditions modifications. Inside of the e-mail, there is a corrupted 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.

Preventing it looks quite uncomplicated, however, still needs tons of awareness. Malware can hide in different spots, and it is far better to prevent it even before it gets into your PC than to rely upon an anti-malware program. Essential cybersecurity awareness is just an essential item in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may keep you a lot of money and time which you would certainly spend while seeking a fix guide.

Virus.Win32.Expiro.ns malware technical details

File Info:

name: 48F3968BC885616DE560.mlw
path: /opt/CAPEv2/storage/binaries/33e797276fb08012e2ae45286d0223f5f2085523bf7d63f8618eaddbb59d1cfc
crc32: 02A55D2D
md5: 48f3968bc885616de56058bc5d8c535c
sha1: d076a57004acde02279ca1208e61b1f97bcb9a6a
sha256: 33e797276fb08012e2ae45286d0223f5f2085523bf7d63f8618eaddbb59d1cfc
sha512: 11d2d15c2d2e12ee150eaa805e8cf9ba4e4e206f156f27ef1db60e855b978fb246137d00fdd9e6eed8a2637b3f03e827f6d227b2552d68c897a3a2f96b5522ac
ssdeep: 24576:8TM7XoivLHVH9Lto89Jh9Xs9AfzLsTJ4ho1TE:IaXoiDHVH9Lto893BXGehAT
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18D45F1B3A72424ACD3775F3434ECBD904D612790921D501EACBE2A4E0EE5B9D73E52CA
sha3_384: 47f9381015e8466b6cfa238d0f617a699a6662930c4393917c2c11c1538723428e1689997160accecd5698ef2dee6b1c
ep_bytes: 5150528d0d18000000648b0101c801c8
timestamp: 2021-05-14 20:18:09

Version Info:

InternalName: bomgpiaruci.iwa
Copyright: Copyrighz (C) 2021, fudkagat
Translation: 0x0014 0x046a

Virus.Win32.Expiro.ns also known as:

Elasticmalicious (high confidence)
K7AntiVirusVirus ( 0058dc741 )
K7GWVirus ( 0058dc741 )
CrowdStrikewin/malicious_confidence_100% (D)
ESET-NOD32a variant of Win32/Expiro.CP
AvastWin32:Xpirat-C [Inf]
SophosML/PE-A + Mal/EncPk-MK
VIPREVirus.Win32.Expiro.dp (v)
SentinelOneStatic AI – Malicious PE
EmsisoftTrojan.GenericKDZ.79870 (B)
CynetMalicious (score: 100)
RisingBackdoor.Agent!8.C5D (TFE:dGZlOgVHuouyOJ+eTA)
MAXmalware (ai score=84)
AVGWin32:Xpirat-C [Inf]

How to remove Virus.Win32.Expiro.ns?

Virus.Win32.Expiro.ns malware is incredibly difficult to delete by hand. It puts its files in multiple places throughout the disk, and can recover itself from one of the elements. Moreover, various changes in the registry, networking setups and Group Policies are quite hard to discover and return to the original. It is far better to utilize a specific program – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for malware removal reasons.

Why GridinSoft Anti-Malware? It is very lightweight and has its databases updated just about every hour. Additionally, it does not have such problems and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware ideal for eliminating 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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