PUP.Optional.4Dots

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the PUP.Optional.4Dots detection usually means that your PC is in big danger. This virus can correctly be identified as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Removing it requires some unusual steps that must be taken as soon as possible.
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PUP.Optional.4Dots detection is a malware detection you can spectate in your system. It generally shows up after the provoking procedures on your PC – opening the dubious e-mail, clicking the banner in the Internet or mounting the program from untrustworthy sources. From the instance it shows up, you have a short time to act before it begins its destructive activity. And be sure – it is much better not to await these destructive actions.

What is PUP.Optional.4Dots virus?

PUP.Optional.4Dots is ransomware-type malware. It searches for the files on your disk drives, 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 ton of damage to your system. It alters the networking settings in order to avoid you from reading the elimination tutorials or downloading the anti-malware program. In rare cases, PUP.Optional.4Dots can additionally prevent the launching of anti-malware programs.

PUP.Optional.4Dots Summary

Summarizingly, PUP.Optional.4Dots malware actions in the infected system are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Anomalous file deletion behavior detected (10+);
  • Guard pages use detected – possible anti-debugging.;
  • Dynamic (imported) function loading detected;
  • Starts servers listening on 127.0.0.1:0;
  • Reads data out of its own binary image;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Behavioural detection: Injection (inter-process);
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
  • Attempts to modify proxy settings;
  • Harvests cookies for information gathering;
  • Ciphering the documents located on the victim’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 anti-virus apps

Ransomware has been a major problem for the last 4 years. It is difficult to picture a more damaging malware for both individuals and companies. The algorithms used in PUP.Optional.4Dots (typically, 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 already exists, and possibly will exist. But that virus does not do all these bad things immediately – it may take up to a few hours to cipher all of your files. Thus, seeing the PUP.Optional.4Dots detection is a clear signal that you must begin the removal process.

Where did I get the PUP.Optional.4Dots?

Standard ways of PUP.Optional.4Dots spreading are common for all other ransomware variants. Those are one-day landing web pages where victims are offered to download and install the free app, so-called bait emails and hacktools. Bait emails are a pretty new strategy in malware spreading – you get the email that imitates some routine notifications about deliveries or bank service conditions updates. Within the email, there is a malicious MS Office file, or a web 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 easy, but still demands tons of recognition. Malware can hide in various places, and it is much better to prevent it even before it invades your PC than to rely upon an anti-malware program. Basic cybersecurity awareness is just an essential thing in the modern-day world, even if your interaction with a PC remains on YouTube videos. That can save you a lot of money and time which you would spend while seeking a fixing guide.

PUP.Optional.4Dots malware technical details

File Info:

name: 2AD54A1D9A017DBEA583.mlw
path: /opt/CAPEv2/storage/binaries/ef93d5ace66597886ce1e4f7a1bdaa29e3bf450f609ba69c790cdb6b10033402
crc32: 94669DC1
md5: 2ad54a1d9a017dbea583adedcc048e91
sha1: a5ffa3cdcf389ea14c19bf1e7f0b631379a88ad1
sha256: ef93d5ace66597886ce1e4f7a1bdaa29e3bf450f609ba69c790cdb6b10033402
sha512: fbafbff35e540011cb8c540d08d7e450c46fc9ecdfbaf8fa5bd23ca093de40fa2dadb13288cfb6fa6207f772b4ce010d071dd6d5d66adf778f06e0c68bd1e3e9
ssdeep: 24576:6Tj/rTq23yc2NRWYpqMVnSqrJUp5se0L0LPNblxQJJR/s0WBYP:m/Hn3yLN8MVnBiYe0sBssxBYP
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D075338B6801975FE6B6C33252181D6EB30B7D9052D693436B023E2B337A0DF9E691D7
sha3_384: 86f80b112c91b6e7be9f7adf0efe225877b03ce19ef8ccc6a972c796b67161715773e7aa6d0f5160b56f1dbdb25d83b4
ep_bytes: 81ec8401000053565733db6801800000
timestamp: 2018-01-30 03:57:45

Version Info:

0: [No Data]

PUP.Optional.4Dots also known as:

BkavW32.AIDetect.malware2
CylanceUnsafe
SangforTrojan.Win32.Agent.Vae5
BitDefenderThetaGen:NN.ZemsilCO.34742.am0@a024d2g
ESET-NOD32a variant of MSIL/4Dots.A potentially unwanted
AvastWin32:Malware-gen
McAfee-GW-EditionBehavesLike.Win32.BadFile.tc
SophosGeneric PUA KF (PUA)
MicrosoftRansom:Win32/FileCrypt
McAfeeArtemis!2AD54A1D9A01
MalwarebytesPUP.Optional.4Dots
APEXMalicious
RisingTrojan.Generic/MSIL@AI.93 (RDM.MSIL:6cMOJ+hMttJStPlrBjLFTQ)
IkarusTrojan-Ransom.FileCrypter
AVGWin32:Malware-gen

How to remove PUP.Optional.4Dots?

PUP.Optional.4Dots malware is extremely difficult to eliminate manually. It places its data in a variety of places throughout the disk, and can restore itself from one of the parts. Moreover, various modifications in the registry, networking configurations and also Group Policies are fairly hard to locate and revert to the original. It is far better to make use of a specific tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for virus removal reasons.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its detection databases updated almost every hour. Additionally, it does not have such problems and weakness as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware perfect for eliminating 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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