Win32:Zbot-OCC [Trj]
Christopher Davis
Updated on February 27, 2026
What is Win32:Zbot-OCC [Trj] infection?
In this short article you will discover about the meaning of Win32:Zbot-OCC [Trj] and its negative impact on your computer. Such ransomware are a form of malware that is specified by on-line scams to require paying the ransom money by a target.
In the majority of the situations, Win32:Zbot-OCC [Trj] infection will certainly advise its sufferers to start funds transfer for the purpose of neutralizing the amendments that the Trojan infection has actually presented to the victim’s tool.
Win32:Zbot-OCC [Trj] Summary
These adjustments 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.
- Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.
Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the documents located on the sufferer’s hard drive — so the sufferer can no more make use of the information;
- Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Win32:Zbot-OCC [Trj]
One of the most regular networks where Win32:Zbot-OCC [Trj] Ransomware Trojans are infused are:
- By means of phishing e-mails;
- As an effect of customer ending up on a source that holds a malicious software application;
As quickly as the Trojan is successfully injected, it will either cipher the information on the sufferer’s PC or prevent the gadget from operating in a proper manner – while likewise positioning a ransom money note that discusses the demand for the targets to effect the repayment for the function of decrypting the records or bring back the documents system back to the initial problem. In a lot of instances, the ransom money note will certainly show up when the customer restarts the PC after the system has actually currently been damaged.
Win32:Zbot-OCC [Trj] distribution channels.
In numerous corners of the world, Win32:Zbot-OCC [Trj] grows by leaps and bounds. However, the ransom notes as well as techniques of obtaining the ransom money amount may vary depending on certain regional (regional) setups. The ransom money notes and also methods of obtaining the ransom amount might vary depending on particular local (local) settings.
For example:
Faulty notifies concerning unlicensed software.
In specific areas, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the target’s tool. The alert then demands the customer to pay the ransom.
Faulty declarations concerning unlawful web content.
In countries where software piracy is less prominent, this method is not as efficient for the cyber scams. Conversely, the Win32:Zbot-OCC [Trj] popup alert might falsely declare to be stemming from a law enforcement organization as well as will report having situated child pornography or other unlawful information on the gadget.
Win32:Zbot-OCC [Trj] popup alert might wrongly declare to be obtaining from a regulation enforcement institution and also will report having situated youngster pornography or other prohibited information on the device. The alert will in a similar way consist of a requirement for the user to pay the ransom money.
Technical details
File Info:
crc32: 579D1EB8md5: 66a0e07284bff1509f7fa3c0f3fcf6ecname: 66A0E07284BFF1509F7FA3C0F3FCF6EC.mlwsha1: afe42a09cc901cff34eee93bc9bbafdb832444ebsha256: 95b11872311a7fef74a28d110ff54d18e22167ba288c6cde82d1b70e7b8971e7sha512: f5c70bedc44c5e515ec749897bf7fef841a4a34ea4a661fe8efed6e8447911b1da1e5e3d1ec8a6203c3f2b89705b2a679860d06a9bcbb5e05824f4330f3c63d1ssdeep: 3072:A2TTKTazsuzWEbfJhPcwP9xRik3O+t1RiT4E+j:9caQuzdHcIRaYYUE+jtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Win32:Zbot-OCC [Trj] also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware2 |
| K7AntiVirus | Trojan ( 003ad93e1 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.PWS.Panda.1912 |
| Cynet | Malicious (score: 100) |
| ALYac | Gen:Heur.Ransom.Cerber.2 |
| Cylance | Unsafe |
| Zillya | Trojan.Zbot.Win32.54549 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (W) |
| Alibaba | TrojanPSW:Win32/EncPk.afcba413 |
| K7GW | Trojan ( 003ad93e1 ) |
| Cybereason | malicious.284bff |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | Win32/Spy.Zbot.ZR |
| APEX | Malicious |
| TotalDefense | Win32/Zbot.AI!generic |
| Avast | Win32:Zbot-OCC [Trj] |
| ClamAV | Win.Trojan.Zbot-20293 |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| BitDefender | Gen:Heur.Ransom.Cerber.2 |
| NANO-Antivirus | Trojan.Win32.Zbot.ctildw |
| SUPERAntiSpyware | |
| MicroWorld-eScan | Gen:Heur.Ransom.Cerber.2 |
| Tencent | Malware.Win32.Gencirc.114c737e |
| Ad-Aware | Gen:Heur.Ransom.Cerber.2 |
| Sophos | ML/PE-A + Mal/EncPk-AEX |
| Comodo | TrojWare.Win32.Kryptik.ADRI@4om3zy |
| BitDefenderTheta | Gen:NN.ZexaF.34628.mqX@au9sYFci |
| VIPRE | Trojan.Win32.Generic!BT |
| TrendMicro | TROJ_GEN.R002C0DK220 |
| McAfee-GW-Edition | PWS-Zbot.gen.bes |
| FireEye | Generic.mg.66a0e07284bff150 |
| Emsisoft | Gen:Heur.Ransom.Cerber.2 (B) |
| SentinelOne | Static AI – Suspicious PE |
| Jiangmin | Trojan/Menti.tgv |
| Webroot | W32.Infostealer.Zeus |
| Avira | TR/Crypt.ZPACK.Gen |
| eGambit | Unsafe.AI_Score_98% |
| Antiy-AVL | Trojan[Spy]/Win32.Zbot |
| Microsoft | Ransom:Win32/Cerber |
| Arcabit | Trojan.Ransom.Cerber.2 |
| AegisLab | Trojan.Win32.Generic.4!c |
| GData | Gen:Heur.Ransom.Cerber.2 |
| TACHYON | Trojan-Spy/W32.ZBot.206848.P |
| AhnLab-V3 | Spyware/Win32.Zbot.R23191 |
| Acronis | suspicious |
| McAfee | PWS-Zbot.gen.bes |
| MAX | malware (ai score=100) |
| VBA32 | TrojanSpy.Zbot |
| Panda | Trj/Pacrypt.AC |
| TrendMicro-HouseCall | TROJ_GEN.R002C0DK220 |
| Rising | Spyware.Zbot!8.16B (CLOUD) |
| Yandex | TrojanSpy.Zbot!gQ+eB6fvQLE |
| Ikarus | Trojan-Spy.Win32.Zbot |
| Fortinet | W32/Kryptik.WDQ!tr |
| AVG | Win32:Zbot-OCC [Trj] |
| Qihoo-360 | Win32/Trojan.Generic.HwcBBzgC |
How to remove Win32:Zbot-OCC [Trj] virus?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun 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.
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.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Win32:Zbot-OCC [Trj] 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.
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.
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 Anti-Malware
If the guide doesn’t help you to remove Win32:Zbot-OCC [Trj] you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
