Trojan:Win32/Occamy.C53

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

What is Trojan:Win32/Occamy.C53 infection?

In this short article you will discover about the meaning of Trojan:Win32/Occamy.C53 and its unfavorable impact on your computer. Such ransomware are a form of malware that is clarified by online frauds to require paying the ransom by a target.

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In the majority of the cases, Trojan:Win32/Occamy.C53 infection will certainly advise its victims to start funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually presented to the victim’s device.

Trojan:Win32/Occamy.C53 Summary

These alterations can be as complies with:

  • 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.
  • 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.
  • Possible date expiration check, exits too soon after checking local time;
  • Unconventionial language used in binary resources: Slovenian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files situated on the target’s hard disk — so the victim can no more utilize the information;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Trojan:Win32/Occamy.C53

One of the most common channels through which Trojan:Win32/Occamy.C53 Trojans are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a source that holds a malicious software program;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or protect against the gadget from working in a correct manner – while additionally placing a ransom note that mentions the requirement for the victims to impact the payment for the objective of decrypting the documents or bring back the data system back to the initial condition. In most instances, the ransom note will show up when the client reboots the COMPUTER after the system has actually already been damaged.

Trojan:Win32/Occamy.C53 distribution channels.

In numerous corners of the globe, Trojan:Win32/Occamy.C53 expands by jumps and bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom quantity might differ depending on specific local (regional) setups. The ransom money notes as well as tricks of obtaining the ransom quantity might vary depending on specific regional (local) setups.

Ransomware injection

For instance:

    Faulty informs concerning unlicensed software program.

    In specific areas, the Trojans usually wrongfully report having spotted some unlicensed applications allowed on the target’s tool. The sharp then demands the individual to pay the ransom.

    Faulty declarations concerning unlawful content.

    In countries where software application piracy is much less prominent, this approach is not as reliable for the cyber fraudulences. Alternatively, the Trojan:Win32/Occamy.C53 popup alert might wrongly assert to be deriving from a law enforcement institution and will certainly report having located kid pornography or other illegal data on the gadget.

    Trojan:Win32/Occamy.C53 popup alert may falsely assert to be obtaining from a regulation enforcement organization as well as will report having located kid pornography or other prohibited data on the gadget. The alert will likewise include a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 9AE75B2C
md5: d11056f9292c6635d47f4cd78fe9678a
name: D11056F9292C6635D47F4CD78FE9678A.mlw
sha1: c13ef3123f6be137c9f8fb4279d9883fec37191e
sha256: 5354031d6e2621533b09d2189b857be02793265093b4371d1b473be78bc35422
sha512: f9f1a30fa5bebf390dd85f4da35a610e98e671b69b86a4c2e7bc71a5a35635aa4d45cbbc379027fefbea03184767271513e837c27653c0549dc559fe57861e9c
ssdeep: 3072:w6Ek5P4Y+oBsdMuAKYszXhaomeFmfQLT34bbQX9V:tBKYs7tluUb4bb
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileVersion: 3.7.9

Trojan:Win32/Occamy.C53 also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00516fdf1 )
Elasticmalicious (high confidence)
DrWebTrojan.PWS.Stealer.24300
CynetMalicious (score: 100)
CAT-QuickHealTrojan.Chapak.ZZ6
ALYacGen:Variant.Ransom.GandCrab.1951
CylanceUnsafe
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaTrojan:Win32/Kryptik.cba813a5
K7GWTrojan ( 00516fdf1 )
Cybereasonmalicious.9292c6
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GJNH
APEXMalicious
AvastWin32:Trojan-gen
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Ransom.GandCrab.1951
NANO-AntivirusTrojan.Win32.Kryptik.fgzrnr
SUPERAntiSpywareRansom.GandCrab/Variant
MicroWorld-eScanGen:Variant.Ransom.GandCrab.1951
Ad-AwareGen:Variant.Ransom.GandCrab.1951
SophosMal/Generic-S + Mal/GandCrab-G
ComodoTrojWare.Win32.PSW.Coins.FS@7s47lc
BitDefenderThetaGen:NN.ZexaF.34670.ku0@aWOLgTpQ
TrendMicroRansom_GANDCRAB.SMALY-3
McAfee-GW-EditionBehavesLike.Win32.Generic.ch
FireEyeGeneric.mg.d11056f9292c6635
EmsisoftGen:Variant.Ransom.GandCrab.1951 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.PSW.Coins.aog
AviraHEUR/AGEN.1102756
eGambitUnsafe.AI_Score_99%
Antiy-AVLTrojan/Win32.Fuerboos
MicrosoftTrojan:Win32/Occamy.C53
ArcabitTrojan.Ransom.GandCrab.D79F
AegisLabTrojan.Win32.Coins.i!c
GDataGen:Variant.Ransom.GandCrab.1951
AhnLab-V3Win-Trojan/Gandcrab04.Exp
Acronissuspicious
McAfeePacked-FJN!D11056F9292C
MAXmalware (ai score=100)
VBA32BScope.Trojan.Vigorf
MalwarebytesTrojan.MalPack
PandaTrj/GdSda.A
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-3
RisingRansom.GandCrypt!8.F33E (CLOUD)
YandexTrojan.Agent!/D7lhzKlzQo
IkarusTrojan.Win32.Crypt
FortinetW32/Kryptik.HCUD!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HwoCEpsA

How to remove Trojan:Win32/Occamy.C53 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 Trojan:Win32/Occamy.C53 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.C53 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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