PUP.Optional.OfferCore

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is PUP.Optional.OfferCore infection?

In this post you will discover regarding the interpretation of PUP.Optional.OfferCore and also its unfavorable effect on your computer system. Such ransomware are a kind of malware that is clarified by on-line fraudulences to demand paying the ransom money by a sufferer.

GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

In the majority of the situations, PUP.Optional.OfferCore infection will certainly instruct its sufferers to start funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s device.

PUP.Optional.OfferCore Summary

These adjustments can be as follows:

  • Behavioural detection: Executable code extraction – unpacking;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Dynamic (imported) function loading detected;
  • Reads data out of its own binary image;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Anomalous binary characteristics;
  • Ciphering the documents found on the victim’s hard drive — so the victim can no longer use the information;
  • Preventing regular access to the target’s workstation;

PUP.Optional.OfferCore

The most normal networks through which PUP.Optional.OfferCore Trojans are injected are:

  • By methods of phishing emails;
  • As an effect of customer ending up on a source that holds a destructive software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s computer or protect against the tool from working in an appropriate manner – while also placing a ransom note that discusses the requirement for the sufferers to effect the settlement for the purpose of decrypting the files or recovering the file system back to the initial problem. In a lot of circumstances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has actually already been damaged.

PUP.Optional.OfferCore distribution channels.

In numerous edges of the world, PUP.Optional.OfferCore expands by leaps and bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom money amount may differ relying on particular neighborhood (local) settings. The ransom notes as well as techniques of extorting the ransom amount may differ depending on particular local (regional) settings.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having spotted some unlicensed applications enabled on the victim’s tool. The alert then demands the user to pay the ransom money.

    Faulty statements about prohibited web content.

    In nations where software program piracy is much less preferred, this approach is not as reliable for the cyber fraudulences. Alternatively, the PUP.Optional.OfferCore popup alert might incorrectly claim to be deriving from a law enforcement organization and will report having situated kid pornography or other illegal information on the gadget.

    PUP.Optional.OfferCore popup alert may incorrectly declare to be obtaining from a legislation enforcement institution and also will certainly report having situated child pornography or various other illegal data on the gadget. The alert will similarly have a demand for the individual to pay the ransom money.

Technical details

File Info:

name: E2BBC7C041C8915A6734.mlw
path: /opt/CAPEv2/storage/binaries/e5a5c17aeac26e604f634305268bb2898aea789bf7f9bb9797b0ca8a7f5e486f
crc32: C3525B1B
md5: e2bbc7c041c8915a6734e60c7f86ba63
sha1: 34c89101692f7e3e2ff1c53bc1fb33d71c23b797
sha256: e5a5c17aeac26e604f634305268bb2898aea789bf7f9bb9797b0ca8a7f5e486f
sha512: 3f8e3991b8716dda88451de4ad07f32a6db54909dadff4333ad07d7c83dd2f1222dc0a053d66685f77ae97e6214baa4d475c314cf15efc33ac57868162be243b
ssdeep: 49152:dqe3f6zP6QkO6U6HP6RbthjZT0B5Lnw/511:sSizP6Qk/U6iRbthNk54
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B2C5C03BB2E8A13EC4EA4B32457392505B777A73E91A8C2A17F0450DCFE64601E3B6D5
sha3_384: 163bce7c28d875303013bd5e553ac32edcdd53b8877a71e3d1584ec8b4c58fa2470caf6bc9aed97ce3873e87cf064152
ep_bytes: 558bec83c4a453565733c08945c48945
timestamp: 2020-11-15 09:48:30

Version Info:

Comments: This installation was built with Inno Setup.
CompanyName:
FileDescription: Innova Media d.o.o. Download Manager
FileVersion: 1.0.0
LegalCopyright:
OriginalFileName:
ProductName: Innova Media d.o.o.
ProductVersion: 1.0.0
Translation: 0x0000 0x04b0

PUP.Optional.OfferCore also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanApplication.Bundler.CSU
FireEyeApplication.Bundler.CSU
ALYacApplication.Bundler.CSU
VIPRETrojan.Win32.Generic!BT
K7AntiVirusAdware ( 00579f2a1 )
K7GWAdware ( 00579f2a1 )
Cybereasonmalicious.041c89
SymantecTrojan.Gen.MBT
ESET-NOD32Win32/OfferCore.A potentially unwanted
BitDefenderApplication.Bundler.CSU
AvastFileRepMalware
Ad-AwareApplication.Bundler.CSU
SophosGeneric PUA DE (PUA)
DrWebAdware.Downware.19949
McAfee-GW-EditionArtemis!Trojan
EmsisoftApplication.Bundler.CSU (B)
MAXmalware (ai score=74)
GridinsoftRansom.Win32.Sabsik.sa
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
GDataApplication.Bundler.CSU
AhnLab-V3Malware/Win.Generic.R421179
McAfeeArtemis!E2BBC7C041C8
VBA32Adware.Downware
MalwarebytesPUP.Optional.OfferCore
SentinelOneStatic AI – Suspicious PE
FortinetAdware/OfferCore
AVGFileRepMalware
CrowdStrikewin/malicious_confidence_60% (D)

How to remove PUP.Optional.OfferCore ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for PUP.Optional.OfferCore files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove PUP.Optional.OfferCore you can always ask me in the comments for getting help.

Sending
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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.

Leave a Reply

Sending