Trojan:Win32/Occamy.AB

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

What is Trojan:Win32/Occamy.AB infection?

In this short article you will certainly discover concerning the meaning of Trojan:Win32/Occamy.AB and its negative impact on your computer system. Such ransomware are a form of malware that is specified by online fraudulences to demand paying the ransom money by a sufferer.

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In the majority of the cases, Trojan:Win32/Occamy.AB virus will certainly advise its victims to start funds move for the function of reducing the effects of the modifications that the Trojan infection has actually presented to the target’s tool.

Trojan:Win32/Occamy.AB Summary

These modifications can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Mimics the system’s user agent string for its own requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Executed a process and injected code into it, probably while unpacking;
  • A system process is generating network traffic likely as a result of process injection;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records situated on the victim’s disk drive — so the victim can no longer make use of the data;
  • Preventing routine access to the sufferer’s workstation;

Trojan:Win32/Occamy.AB

One of the most typical networks whereby Trojan:Win32/Occamy.AB are infused are:

  • By ways of phishing emails;
  • As a consequence of customer ending up on a resource that holds a malicious software application;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the victim’s computer or avoid the tool from working in a correct manner – while additionally putting a ransom note that states the need for the sufferers to impact the settlement for the function of decrypting the files or restoring the data system back to the first condition. In most circumstances, the ransom note will come up when the client restarts the COMPUTER after the system has currently been harmed.

Trojan:Win32/Occamy.AB circulation channels.

In numerous corners of the globe, Trojan:Win32/Occamy.AB expands by jumps and also bounds. Nevertheless, the ransom money notes as well as techniques of extorting the ransom quantity might differ depending upon specific regional (regional) settings. The ransom notes as well as methods of extorting the ransom quantity might differ depending on specific regional (regional) settings.

Ransomware injection

As an example:

    Faulty alerts concerning unlicensed software.

    In certain locations, the Trojans commonly wrongfully report having discovered some unlicensed applications made it possible for on the sufferer’s gadget. The alert after that requires the user to pay the ransom.

    Faulty statements about illegal material.

    In countries where software application piracy is less preferred, this approach is not as reliable for the cyber scams. Additionally, the Trojan:Win32/Occamy.AB popup alert might falsely assert to be deriving from a police institution and also will report having located child pornography or various other prohibited information on the gadget.

    Trojan:Win32/Occamy.AB popup alert might falsely claim to be acquiring from a regulation enforcement institution as well as will report having situated child pornography or various other illegal data on the device. The alert will similarly have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: EA5905B2
md5: 678624f0fbb824a59f55062fbde610cd
name: 678624F0FBB824A59F55062FBDE610CD.mlw
sha1: d3e9824327e8f9f6513c746eeae2847cd32f2f80
sha256: 284372b152b97cba1aebf0668ea05b0543b4d8845c9d15c0c82d44b5fd9c3616
sha512: 39994fafcfb27a401efdb41500886c7a4fde2d8ee96981f457f940ca25cbd5a1ca8598f37941b5c2a05541101ae9b62805807fe351c2ba89e78fa4d5813a0e3a
ssdeep: 3072:rOXLCdOV+vOtoDYo94Demy4JWrblUiIQIufbUYNueTdVFHNAX3qv8gWhshfDTv+n:r0cSSWJWrReQIuDhNdHw7hshfXo
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9xfffdxfffdxfffd xfffdxfffdxfffdxfffdxfffdxfffd. All rights reserved.
InternalName: Yum
FileVersion: 9.9.8.6
CompanyName: xfffdxfffdxfffd xfffdxfffdxfffdxfffdxfffdxfffd
PrivateBuild: 9.9.8.6
LegalTrademarks: xa9xfffdxfffdxfffd xfffdxfffdxfffdxfffdxfffdxfffd. All rights reserved.
Comments: Willful Albums Interacted
ProductName: Yum
ProductVersion: 9.9.8.6
FileDescription: Willful Albums Interacted
OriginalFilename: Yum
Translation: 0x0409 0x04b0

Trojan:Win32/Occamy.AB also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 0050efa81 )
Elasticmalicious (high confidence)
DrWebTrojan.MulDrop7.26158
CynetMalicious (score: 85)
ALYacGen:Variant.Ransom.JaffCrypt.5
ZillyaTrojan.Sennoma.Win32.157
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_90% (D)
AlibabaTrojan:Win32/Sennoma.0c4db6a1
K7GWTrojan ( 0050efa81 )
Cybereasonmalicious.0fbb82
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.FXRE
APEXMalicious
AvastWin32:Trojan-gen
KasperskyTrojan.Win32.Sennoma.adj
BitDefenderGen:Variant.Ransom.JaffCrypt.5
NANO-AntivirusTrojan.Win32.Sennoma.eppahu
MicroWorld-eScanGen:Variant.Ransom.JaffCrypt.5
TencentWin32.Trojan.Sennoma.Wpjq
Ad-AwareGen:Variant.Ransom.JaffCrypt.5
SophosMal/Generic-S
ComodoApplicUnwnt@#3d8dvikhayurw
BitDefenderThetaGen:NN.ZexaF.34608.pq0@a0nfdsei
VIPRETrojan.Win32.Generic!BT
TrendMicroMal_MiliCry-1c
McAfee-GW-EditionBehavesLike.Win32.Dropper.dh
FireEyeGeneric.mg.678624f0fbb824a5
EmsisoftGen:Variant.Ransom.JaffCrypt.5 (B)
SentinelOneStatic AI – Malicious PE
WebrootW32.Trojan.Gen
AviraHEUR/AGEN.1117348
MicrosoftTrojan:Win32/Occamy.AB
AegisLabTrojan.Win32.Sennoma.4!c
ZoneAlarmTrojan.Win32.Sennoma.adj
GDataGen:Variant.Ransom.JaffCrypt.5
AhnLab-V3Win-Trojan/Sagecrypt.Gen
McAfeeArtemis!678624F0FBB8
MAXmalware (ai score=88)
VBA32BScope.TrojanPSW.Papras
PandaTrj/CI.A
TrendMicro-HouseCallMal_MiliCry-1c
RisingTrojan.Generic@ML.100 (RDML:aauOXITJ8k6EQ6VkXHOwdA)
YandexTrojan.Sennoma!sgDJTiqtOk4
IkarusTrojan.SuspectCRC
FortinetGenerik.DYYGCTJ!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HgIASOoA

How to remove Trojan:Win32/Occamy.AB virus?

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 Trojan:Win32/Occamy.AB 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 Trojan:Win32/Occamy.AB you can always ask me in the comments for getting help.

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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.

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