Ransom.LockScreen
Christopher Lucas What is Ransom.LockScreen infection?
In this article you will discover concerning the meaning of Ransom.LockScreen and its adverse effect on your computer system. Such ransomware are a type of malware that is elaborated by on-line scams to require paying the ransom money by a target.
In the majority of the cases, Ransom.LockScreen virus will advise its targets to initiate funds transfer for the purpose of counteracting the amendments that the Trojan infection has actually introduced to the sufferer’s device.
Ransom.LockScreen 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.
- 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.
- Expresses interest in specific running processes;
- Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
- Unconventionial language used in binary resources: Russian;
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- The executable is likely packed with VMProtect;
- Detects Sandboxie through the presence of a library;
- Tries to suspend Cuckoo threads to prevent logging of malicious activity;
- 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
- Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Attempts to modify Explorer settings to prevent hidden files from being displayed;
- Ciphering the papers located on the sufferer’s hard drive — so the target can no more make use of the data;
- Preventing regular accessibility to the target’s workstation;
Ransom.LockScreen
One of the most regular networks through which Ransom.LockScreen Ransomware are injected are:
- By means of phishing emails;
- As an effect of individual winding up on a resource that organizes a destructive software;
As soon as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s PC or avoid the device from working in an appropriate manner – while likewise putting a ransom money note that discusses the requirement for the victims to impact the repayment for the function of decrypting the records or recovering the data system back to the preliminary problem. In the majority of circumstances, the ransom money note will certainly turn up when the customer reboots the COMPUTER after the system has actually already been damaged.
Ransom.LockScreen circulation networks.
In various edges of the world, Ransom.LockScreen expands by leaps and also bounds. Nevertheless, the ransom money notes and also methods of extorting the ransom quantity might differ relying on certain regional (local) setups. The ransom money notes as well as methods of extorting the ransom money quantity might vary depending on particular neighborhood (regional) settings.
For instance:
Faulty informs about unlicensed software application.
In certain locations, the Trojans typically wrongfully report having detected some unlicensed applications allowed on the sufferer’s tool. The alert after that demands the user to pay the ransom money.
Faulty statements regarding illegal material.
In nations where software application piracy is much less prominent, this technique is not as efficient for the cyber fraudulences. Conversely, the Ransom.LockScreen popup alert may incorrectly assert to be stemming from a law enforcement organization and also will certainly report having situated kid pornography or various other unlawful data on the device.
Ransom.LockScreen popup alert might incorrectly assert to be obtaining from a regulation enforcement establishment and also will report having situated child pornography or other illegal data on the device. The alert will likewise contain a requirement for the user to pay the ransom.
Technical details
File Info:
crc32: 9AA3BCDAmd5: 0f394f34ea3bac8124dee81ce4834ef3name: 0F394F34EA3BAC8124DEE81CE4834EF3.mlwsha1: 32d6d57f73a09b61ff129ce5cdc048b8278e9ba5sha256: 8be3d8ba1504f108c4dbeb864ab220aa7c7de47ddd2eb0d918c00a31ec1c776fsha512: f54d73656f49a8aff5337841e9c9cb485dc52483a46a426f9cbc2fb9a08ec207ea20ccfb8a9b263ff2b46b6413a63a8ae2fa3e65d19555e9abc663c7fa22199assdeep: 24576:NMD6lryKqx1LzvrBw7NDyiftgO/mCsKNZqUZHg5CmLdM/v5274wqlza:NzGvpzv27NmiftgGrZqUdhCdMsswqMtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Ransom.LockScreen also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware2 |
| K7AntiVirus | Riskware ( 0040eff71 ) |
| Elastic | malicious (high confidence) |
| Cynet | Malicious (score: 100) |
| ALYac | Trojan.GenericKD.30360748 |
| Cylance | Unsafe |
| Sangfor | Trojan.Win32.Save.a |
| K7GW | Riskware ( 0040eff71 ) |
| Cybereason | malicious.4ea3ba |
| Symantec | ML.Attribute.HighConfidence |
| ESET-NOD32 | a variant of Generik.LGWPVL |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| BitDefender | Trojan.GenericKD.30360748 |
| NANO-Antivirus | Trojan.Win32.Weenloc.ezdfuq |
| MicroWorld-eScan | Trojan.GenericKD.30360748 |
| Tencent | Win32.Trojan.Generic.Gvp |
| Ad-Aware | Trojan.GenericKD.30360748 |
| BitDefenderTheta | Gen:NN.ZexaF.34670.vPW@aqTKw7bc |
| FireEye | Generic.mg.0f394f34ea3bac81 |
| Emsisoft | Trojan.GenericKD.30360748 (B) |
| SentinelOne | Static AI – Suspicious PE |
| Avira | TR/WeenLoc.abfvn |
| eGambit | Unsafe.AI_Score_100% |
| Microsoft | Ransom:Win32/Weenloc.A |
| AegisLab | Trojan.Win32.Generic.4!c |
| GData | Trojan.GenericKD.30360748 |
| McAfee | Artemis!0F394F34EA3B |
| VBA32 | TScope.Malware-Cryptor.SB |
| Malwarebytes | Ransom.LockScreen |
| Panda | Trj/GdSda.A |
| Rising | Trojan.Generic@ML.100 (RDML:5qBfiyJlfwtMFoMFN6Qnew) |
| Yandex | Trojan.Agent!W5QczWz4zrM |
| Ikarus | Trojan.Win32.VMProtect |
| Fortinet | W32/Generik.LGWPVL!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| Qihoo-360 | Win32/Ransom.Weenloc.HgIASScA |
How to remove Ransom.LockScreen ransomware?
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.LockScreen 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.LockScreen you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
