Ransom.CTBLocker
Emily Sparks What is Ransom.CTBLocker infection?
In this post you will certainly discover about the definition of Ransom.CTBLocker as well as its adverse impact on your computer. Such ransomware are a form of malware that is elaborated by on the internet frauds to require paying the ransom money by a victim.
Most of the cases, Ransom.CTBLocker ransomware will certainly advise its sufferers to initiate funds move for the objective of counteracting the modifications that the Trojan infection has presented to the victim’s tool.
Ransom.CTBLocker Summary
These adjustments 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.
- 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;
- 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.
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the records located on the target’s hard drive — so the target can no more make use of 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.
Ransom.CTBLocker
The most typical channels whereby Ransom.CTBLocker Ransomware are injected are:
- By ways of phishing emails;
- As a repercussion of user winding up on a source that hosts a harmful software program;
As soon as the Trojan is efficiently injected, it will certainly either cipher the information on the target’s PC or stop the gadget from working in a proper way – while likewise placing a ransom money note that mentions the requirement for the sufferers to effect the settlement for the function of decrypting the files or recovering the data system back to the preliminary problem. In the majority of circumstances, the ransom money note will certainly come up when the client reboots the PC after the system has currently been damaged.
Ransom.CTBLocker distribution networks.
In different edges of the globe, Ransom.CTBLocker expands by leaps and bounds. Nonetheless, the ransom money notes and tricks of extorting the ransom quantity may differ depending on certain local (regional) settings. The ransom notes and also tricks of extorting the ransom money quantity may vary depending on certain regional (regional) setups.
For instance:
Faulty alerts concerning unlicensed software.
In particular areas, the Trojans commonly wrongfully report having detected some unlicensed applications allowed on the victim’s device. The alert then demands the individual to pay the ransom money.
Faulty declarations about unlawful web content.
In nations where software application piracy is less preferred, this approach is not as reliable for the cyber fraudulences. Additionally, the Ransom.CTBLocker popup alert may falsely claim to be deriving from a police organization and also will certainly report having located youngster pornography or other illegal data on the tool.
Ransom.CTBLocker popup alert may incorrectly claim to be acquiring from a regulation enforcement establishment and will report having located youngster pornography or other prohibited data on the gadget. The alert will in a similar way consist of a requirement for the customer to pay the ransom money.
Technical details
File Info:
crc32: 9D95A660md5: 17facc0041b920c5af5dee3356383ca6name: 17FACC0041B920C5AF5DEE3356383CA6.mlwsha1: 22a27f7060cee832dac3bb462e522a45bfc4cc86sha256: 5371f616240557f3280439b2ba0ff14b57dc78b04235de73ce8286d365d01468sha512: 817bf59e2530487b88cef0219d384874c59f6c0898e72f06f0f8cd0568f5f22a8a57d3620ae460eaca9b6c1b480af5f8b2bbcc1ad829c383e7f232328a86e37dssdeep: 12288:KjL9oVz4ElBF1hbtajphNkt8hn1N8JEw1Yr7dZXgA5TzuUMnXb:Hz4KDarktvEwIdBpdzu5nLtype: PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressedVersion Info:
Translation: 0x0409 0x04b0InternalName: ENIGMAFileVersion: 11.00.4252CompanyName: Flash-Game.net offers you more than 6000 free gamesProductName: ENIGMAProductVersion: 11.00.4252OriginalFilename: ENIGMA.exe
Ransom.CTBLocker also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| K7AntiVirus | Trojan ( 004db3771 ) |
| Cynet | Malicious (score: 100) |
| McAfee | Artemis!17FACC0041B9 |
| Cylance | Unsafe |
| Zillya | Trojan.Injector.Win32.346786 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_80% (D) |
| Alibaba | Trojan:Win32/Injector.f63db4c2 |
| K7GW | Trojan ( 004db3771 ) |
| Cybereason | malicious.041b92 |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | a variant of Win32/Injector.CPQZ |
| APEX | Malicious |
| Avast | Win32:Dropper-gen [Drp] |
| ClamAV | Win.Dropper.Zbot-7169597-0 |
| Kaspersky | UDS:DangerousObject.Multi.Generic |
| BitDefender | Gen:Variant.Johnnie.12358 |
| NANO-Antivirus | Trojan.Win32.Johnnie.ewhzrd |
| SUPERAntiSpyware | |
| MicroWorld-eScan | Gen:Variant.Johnnie.12358 |
| Ad-Aware | Gen:Variant.Johnnie.12358 |
| Sophos | ML/PE-A + Troj/Zbot-KJU |
| BitDefenderTheta | Gen:NN.ZevbaF.34608.Gi3fa8H1Zxei |
| VIPRE | Trojan.Win32.Dridex.l (v) |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.hc |
| FireEye | Generic.mg.17facc0041b920c5 |
| Emsisoft | Gen:Variant.Johnnie.12358 (B) |
| SentinelOne | Static AI – Suspicious PE |
| Avira | HEUR/AGEN.1110557 |
| Microsoft | Trojan:Win32/Tnega!ml |
| Arcabit | Trojan.Johnnie.D3046 |
| AegisLab | Trojan.Multi.Generic.4!c |
| GData | Gen:Variant.Johnnie.12358 |
| AhnLab-V3 | Trojan/Win32.Kovter.R173159 |
| VBA32 | Trojan-Ransom.Onion |
| MAX | malware (ai score=100) |
| Malwarebytes | Ransom.CTBLocker |
| Panda | Trj/Genetic.gen |
| Rising | Ransom.Onion!8.478 (CLOUD) |
| Ikarus | Trojan.Win32.Kovter |
| Fortinet | W32/Filecoder_CTBLocker.A!tr |
| AVG | Win32:Dropper-gen [Drp] |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/TrojanDropper.Generic.HxMBhjsA |
How to remove Ransom.CTBLocker 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 Ransom.CTBLocker 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 Ransom.CTBLocker you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
