Trojan-Ransom.Win32.Blocker.kobo
Matthew Alvarez
Updated on April 09, 2026
What is Trojan-Ransom.Win32.Blocker.kobo infection?
In this short article you will discover regarding the meaning of Trojan-Ransom.Win32.Blocker.kobo and also its adverse impact on your computer. Such ransomware are a type of malware that is elaborated by on-line scams to demand paying the ransom money by a victim.
Most of the instances, Trojan-Ransom.Win32.Blocker.kobo infection will certainly instruct its victims to launch funds transfer for the function of counteracting the changes that the Trojan infection has actually introduced to the sufferer’s tool.
Trojan-Ransom.Win32.Blocker.kobo Summary
These modifications can be as follows:
- 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.
- Unconventionial language used in binary resources: Russian;
- Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.The registry run keys perform the same action, and can be located in different locations:
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
- HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the files situated on the victim’s hard disk drive — so the victim can no more use the data;
- Preventing regular accessibility to the victim’s workstation;
Trojan-Ransom.Win32.Blocker.kobo
One of the most normal channels where Trojan-Ransom.Win32.Blocker.kobo Trojans are injected are:
- By methods of phishing emails;
- As a repercussion of user ending up on a resource that hosts a harmful software;
As soon as the Trojan is effectively injected, it will either cipher the data on the target’s computer or prevent the tool from working in a proper fashion – while additionally putting a ransom note that mentions the demand for the sufferers to impact the payment for the purpose of decrypting the papers or recovering the data system back to the first problem. In a lot of instances, the ransom money note will come up when the client reboots the COMPUTER after the system has currently been harmed.
Trojan-Ransom.Win32.Blocker.kobo distribution networks.
In different edges of the world, Trojan-Ransom.Win32.Blocker.kobo grows by jumps and bounds. However, the ransom money notes and also tricks of obtaining the ransom money amount may differ depending on specific local (regional) setups. The ransom money notes and also methods of obtaining the ransom quantity might vary depending on certain local (local) settings.
For instance:
Faulty signals concerning unlicensed software program.
In particular areas, the Trojans commonly wrongfully report having found some unlicensed applications allowed on the victim’s device. The sharp then requires the user to pay the ransom.
Faulty declarations regarding prohibited content.
In countries where software piracy is much less preferred, this technique is not as effective for the cyber frauds. Conversely, the Trojan-Ransom.Win32.Blocker.kobo popup alert may wrongly declare to be deriving from a police organization and will report having located child porn or other prohibited data on the tool.
Trojan-Ransom.Win32.Blocker.kobo popup alert might falsely declare to be deriving from a legislation enforcement establishment as well as will report having located child porn or various other illegal data on the gadget. The alert will similarly consist of a requirement for the individual to pay the ransom money.
Technical details
File Info:
crc32: 9D7895E2md5: d6755bdd9b2178c09102756ca686050bname: D6755BDD9B2178C09102756CA686050B.mlwsha1: bc1661639638bc87eb3c4cff2339476843065a17sha256: 7cdf501c197c75bd57b4e167488f02a38937c73e8f3b4797681736b251bed337sha512: 3208e6fe9f97e5dc0bb533c9a85350d8425787b3bc13839d07695b7628538b93dfd33d6f37bdd8b8350fc18a9bd0c177f90671b210298bb16d098679fb4d4675ssdeep: 12288:qcVGYgCR25RNCEofW4eUqfVJKCLwEGPmT4s46wSB3kYGVsmZT:qckTtfB2yUeVJezOcs7w1VZZtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Trojan-Ransom.Win32.Blocker.kobo also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware2 |
| K7AntiVirus | Trojan ( 004bdcff1 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.Winlock.7138 |
| Cynet | Malicious (score: 90) |
| ALYac | Gen:Trojan.ShellStartup.WGX@aWYiNhdc |
| Cylance | Unsafe |
| Sangfor | Ransom.Win32.LockScreen.AO |
| CrowdStrike | win/malicious_confidence_60% (D) |
| K7GW | Trojan ( 004bdcff1 ) |
| Cybereason | malicious.d9b217 |
| ESET-NOD32 | a variant of Win32/LockScreen.YL |
| APEX | Malicious |
| Avast | Win32:Trojan-gen |
| Kaspersky | Trojan-Ransom.Win32.Blocker.kobo |
| BitDefender | Gen:Trojan.ShellStartup.WGX@aWYiNhdc |
| NANO-Antivirus | Trojan.Win32.Winlock.bakciu |
| MicroWorld-eScan | Gen:Trojan.ShellStartup.WGX@aWYiNhdc |
| Tencent | Win32.Trojan.Gimemo.ddfp |
| Ad-Aware | Gen:Trojan.ShellStartup.WGX@aWYiNhdc |
| Sophos | Mal/Generic-S |
| Comodo | Malware@#1zrw2stdx8ded |
| BitDefenderTheta | Gen:NN.ZelphiF.34608.WGX@aWYiNhdc |
| VIPRE | Trojan.Win32.Generic!BT |
| McAfee-GW-Edition | BehavesLike.Win32.Dropper.bh |
| FireEye | Generic.mg.d6755bdd9b2178c0 |
| Emsisoft | Gen:Trojan.ShellStartup.WGX@aWYiNhdc (B) |
| Webroot | W32.Malware.Gen |
| Kingsoft | Win32.Troj.Generic_a.a.(kcloud) |
| Microsoft | Ransom:Win32/LockScreen.AO |
| Arcabit | Trojan.ShellStartup.EDDE01 |
| GData | Gen:Trojan.ShellStartup.WGX@aWYiNhdc |
| AhnLab-V3 | Trojan/Win32.Gimemo.C2319217 |
| McAfee | Artemis!D6755BDD9B21 |
| MAX | malware (ai score=80) |
| VBA32 | TScope.Trojan.Delf |
| Malwarebytes | Malware.Heuristic.1006 |
| Panda | Trj/CI.A |
| Rising | Malware.Undefined!8.C (TFE:5:JAxI0TttFNG) |
| Yandex | Trojan.GenAsa!ZlUZFrHjRVM |
| Ikarus | Trojan.Win32.LockScreen |
| Fortinet | W32/LockScreen.YL!tr |
| AVG | Win32:Trojan-gen |
| Paloalto | generic.ml |
| Qihoo-360 | HEUR/Malware.QVM05.Gen |
How to remove Trojan-Ransom.Win32.Blocker.kobo 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 Trojan-Ransom.Win32.Blocker.kobo 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 Trojan-Ransom.Win32.Blocker.kobo you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
