What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Win32/TrojanDownloader.Agent.PXO malware detection usually means that your computer is in big danger. This virus can correctly be identified as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Removing it requires some peculiar steps that must be done as soon as possible.
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Win32/TrojanDownloader.Agent.PXO detection is a virus detection you can spectate in your system. It frequently appears after the preliminary actions on your computer – opening the dubious email messages, clicking the banner in the Web or installing the program from unreliable sources. From the moment it shows up, you have a short time to do something about it until it starts its harmful action. And be sure – it is far better not to wait for these harmful things.

What is Win32/TrojanDownloader.Agent.PXO virus?

Win32/TrojanDownloader.Agent.PXO is ransomware-type malware. It searches for the files on your disk, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this malware also does a lot of harm to your system. It changes the networking settings in order to avoid you from looking for the elimination manuals or downloading the anti-malware program. Sometimes, Win32/TrojanDownloader.Agent.PXO can even prevent the setup of anti-malware programs.

Win32/TrojanDownloader.Agent.PXO Summary

Summarizingly, Win32/TrojanDownloader.Agent.PXO virus actions in the infected system 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;
  • Possible date expiration check, exits too soon after checking local time;
  • Anomalous file deletion behavior detected (10+);
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • HTTPS urls from behavior.;
  • Enumerates running processes;
  • Expresses interest in specific running processes;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities for basic functionality;
  • Detects Sandboxie through the presence of a library;
  • Detects SunBelt Sandbox through the presence of a library;
  • Enumerates services, possibly for anti-virtualization;
  • Detects the presence of Wine emulator via function name;
  • Deletes its original binary from disk;
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Network activity contains more than one unique useragent.;
  • Installs itself for autorun at Windows startup;
  • Checks the version of Bios, possibly for anti-virtualization;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Attempts to modify proxy settings;
  • The sample wrote data to the system hosts file.;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Encrypting the files located on the victim’s disk drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a headache for the last 4 years. It is challenging to realize a more damaging malware for both individual users and organizations. The algorithms utilized in Win32/TrojanDownloader.Agent.PXO (generally, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need more time than our galaxy currently exists, and possibly will exist. But that malware does not do all these unpleasant things without delay – it can take up to several hours to cipher all of your files. Thus, seeing the Win32/TrojanDownloader.Agent.PXO detection is a clear signal that you should start the elimination procedure.

Where did I get the Win32/TrojanDownloader.Agent.PXO?

Ordinary ways of Win32/TrojanDownloader.Agent.PXO injection are common for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a relatively new tactic in malware distribution – you receive the e-mail that simulates some standard notifications about deliveries or bank service conditions changes. Inside of the e-mail, there is a malicious MS Office file, or a web 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 quite easy, but still needs tons of focus. Malware can hide in various places, and it is better to prevent it even before it gets into your PC than to depend on an anti-malware program. Essential cybersecurity knowledge is just an essential thing in the modern-day world, even if your interaction with a computer stays on YouTube videos. That may keep you a lot of time and money which you would spend while searching for a solution.

Win32/TrojanDownloader.Agent.PXO malware technical details

File Info:

name: 6871AFC20AC44AE55911.mlw
path: /opt/CAPEv2/storage/binaries/fc41fb6914ecc7e110d906bf292bde4bffee3319c013adafc97a4cf4cb3faee2
crc32: 587AF401
md5: 6871afc20ac44ae55911da282e724d12
sha1: 01760aeddbbc496c1e61255041720e1bd7eae924
sha256: fc41fb6914ecc7e110d906bf292bde4bffee3319c013adafc97a4cf4cb3faee2
sha512: da0beda2f02dc8fcdc28afed59a6a1de61aecb871e9e6eba676746af58862853024141d51a820e8842f5ea2a2ab010f3ddaaf815e1ec1a255f3d5a5b6c78b48b
ssdeep: 12288:EYx4BESv/YWf67YbWEhFmefUa7xp0pjYPgnfgN8m:XEvDbWjef57P6dnK
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T17DB4F1A03E52C0B5C1A62531CE2AC5B9D5217F28A9F484A736D39F4F3675462CE3273B
sha3_384: f4735a690664a4b1059b2ceb69bb5f7178af2c0837e5a23156a37cab7b514cb4d1025744b6210ed981fd30edcce7e120
ep_bytes: 6a6068f8b14700e8e51a0000bf940000
timestamp: 2006-10-29 23:52:16

Version Info:

CompanyName: Deoabpbde Acgtyxhwbxw
FileDescription: RPC Netshell Helper
FileVersion: 5.2.3790.0 (srv03_rtm.030324-2048)
InternalName: rpcnsh.dll
LegalCopyright: © Rlaxrarzg Tyfhqwxygxx. All rights reserved.
OriginalFilename: rpcnsh.dll
ProductName: Chsnlqyul® Edmwojs® Rfwoojzas Verubz
ProductVersion: 5.2.3790.0
Translation: 0x0409 0x04b0

Win32/TrojanDownloader.Agent.PXO also known as:

CynetMalicious (score: 100)
AvastWin32:Zbot-NDN [Trj]
SophosML/PE-A + Troj/Virtum-Gen
EmsisoftGen:Variant.Zbot.34 (B)
MAXmalware (ai score=100)
RisingDropper.Generic!8.35E (RDMK:cmRtazqGXPZfivD6EsD1KzFA51OR)
SentinelOneStatic AI – Malicious PE
AVGWin32:Zbot-NDN [Trj]
PandaGeneric Malware
CrowdStrikewin/malicious_confidence_70% (W)

How to remove Win32/TrojanDownloader.Agent.PXO?

Win32/TrojanDownloader.Agent.PXO malware is extremely difficult to remove manually. It stores its documents in numerous locations throughout the disk, and can recover itself from one of the parts. Additionally, countless modifications in the registry, networking setups and Group Policies are pretty hard to locate and revert to the initial. It is better to make use of a specific app – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for virus elimination purposes.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated practically every hour. Additionally, it does not have such bugs and exploits as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware suitable for getting rid of 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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