Win32:Oncer [Inf]

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

What is Win32:Oncer [Inf] infection?

In this post you will certainly discover concerning the interpretation of Win32:Oncer [Inf] and its negative effect on your computer system. Such ransomware are a type of malware that is specified by on the internet scams to require paying the ransom by a sufferer.

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In the majority of the situations, Win32:Oncer [Inf] virus will certainly advise its victims to initiate funds move for the function of reducing the effects of the changes that the Trojan infection has actually presented to the target’s device.

Win32:Oncer [Inf] Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Injection with CreateRemoteThread in a remote process;
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Serbian;
  • Code injection with CreateRemoteThread in a remote process;
  • Attempts to remove evidence of file being downloaded from the Internet;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Likely virus infection of existing system binary;
  • Attempts to modify proxy settings;
  • Operates on local firewall’s policies and settings;
  • Creates a copy of itself;
  • Attempts to disable System Restore;
  • Attempts to modify or disable Security Center warnings;
  • Anomalous binary characteristics;
  • Ciphering the files situated on the sufferer’s disk drive — so the target can no longer utilize the information;
  • Preventing routine accessibility to the target’s workstation;

Related domains:


Win32:Oncer [Inf]

The most regular networks where Win32:Oncer [Inf] Trojans are infused are:

  • By means of phishing emails;
  • As a repercussion of customer ending up on a resource that organizes a malicious software program;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the data on the victim’s PC or avoid the tool from working in an appropriate manner – while likewise placing a ransom note that discusses the need for the victims to impact the repayment for the function of decrypting the documents or bring back the data system back to the initial problem. In a lot of circumstances, the ransom note will certainly turn up when the customer reboots the PC after the system has already been damaged.

Win32:Oncer [Inf] circulation networks.

In different edges of the globe, Win32:Oncer [Inf] expands by jumps as well as bounds. Nevertheless, the ransom money notes and also techniques of obtaining the ransom quantity may differ depending on certain regional (regional) settings. The ransom money notes and also techniques of obtaining the ransom amount may vary depending on specific local (local) settings.

Ransomware injection

As an example:

    Faulty signals regarding unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having actually found some unlicensed applications made it possible for on the victim’s gadget. The sharp then requires the customer to pay the ransom money.

    Faulty statements regarding prohibited material.

    In nations where software piracy is less popular, this technique is not as effective for the cyber scams. Conversely, the Win32:Oncer [Inf] popup alert may wrongly declare to be deriving from a law enforcement institution and will certainly report having situated kid porn or other unlawful data on the gadget.

    Win32:Oncer [Inf] popup alert might incorrectly assert to be deriving from a legislation enforcement institution and will report having located youngster pornography or other prohibited data on the tool. The alert will similarly consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 4596E505
md5: a9ed8e732412fa12ba8d7f327fc10df5
name: A9ED8E732412FA12BA8D7F327FC10DF5.mlw
sha1: 8f593a2f8daa4e898a1168fc777cfd253bf2aa91
sha256: d0c58361cc475b5006e020adf7654b3db3dc1e62e85b7486a3b26451cecdacd7
sha512: 7ab4fe79d3b0417dbfd645769a03e7384b223558dd6f6e6ae6a10b6f962daf94611a596c45565705dc8bfbcc212edb76d20de36017ca3d92d448528e49ba5754
ssdeep: 1536:2V7iDpEHeWhIE3cjU7s1GDQIUQjrFn742VaQ0leNCkHcBH7eYW3aPvCR4P7ZXye:k7ey+yIids11IUun0RQdbcBgIIe1++R
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2018, mufimobijuropa
Translation: 0x0629 0x04b0

Win32:Oncer [Inf] also known as:

K7AntiVirusTrojan ( 00176e371 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
CrowdStrikewin/malicious_confidence_100% (W)
K7GWTrojan ( 00176e371 )
AvastWin32:Oncer [Inf]
SophosMal/Generic-R + W32/Chir-B
VIPREVirus.Win32.Chir.c (v)
EmsisoftTrojan.BrsecmonE.1 (B)
MAXmalware (ai score=88)
PandaGeneric Malware
RisingMalware.Heuristic!ET#88% (RDMK:cmRtazo/v5yPstR53hunzyJ0G9cl)
SentinelOneStatic AI – Malicious PE
AVGWin32:Oncer [Inf]

How to remove Win32:Oncer [Inf] ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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 Win32:Oncer [Inf] 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:

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If the guide doesn’t help you to remove Win32:Oncer [Inf] you can always ask me in the comments for getting help.

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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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