Ransom.Winlock
Emily Sparks What is Ransom.Winlock infection?
In this short article you will find regarding the definition of Ransom.Winlock as well as its negative influence on your computer system. Such ransomware are a type of malware that is elaborated by on-line fraudulences to require paying the ransom by a sufferer.
In the majority of the situations, Ransom.Winlock virus will advise its sufferers to initiate funds transfer for the objective of neutralizing the amendments that the Trojan infection has introduced to the victim’s gadget.
Ransom.Winlock Summary
These modifications can be as adheres to:
- 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;
- 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
- Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
- 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 found on the victim’s hard disk — so the sufferer can no longer make use of the information;
- Preventing routine 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.Winlock
One of the most normal networks through which Ransom.Winlock Ransomware Trojans are infused are:
- By ways of phishing emails;
- As a repercussion of customer ending up on a source that holds a harmful software program;
As soon as the Trojan is efficiently injected, it will either cipher the data on the target’s PC or prevent the device from working in an appropriate way – while also putting a ransom note that discusses the requirement for the sufferers to impact the settlement for the purpose of decrypting the files or bring back the file system back to the first condition. In many circumstances, the ransom note will certainly turn up when the client reboots the PC after the system has currently been damaged.
Ransom.Winlock distribution channels.
In various corners of the world, Ransom.Winlock expands by jumps as well as bounds. However, the ransom notes and techniques of extorting the ransom money quantity might differ depending upon particular neighborhood (regional) setups. The ransom money notes and also techniques of extorting the ransom amount may differ depending on certain neighborhood (regional) setups.
As an example:
Faulty notifies concerning unlicensed software program.
In specific locations, the Trojans commonly wrongfully report having actually identified some unlicensed applications allowed on the victim’s device. The alert after that requires the user to pay the ransom money.
Faulty declarations about illegal content.
In countries where software program piracy is less popular, this technique is not as reliable for the cyber frauds. Conversely, the Ransom.Winlock popup alert might wrongly assert to be deriving from a law enforcement organization and also will report having located kid pornography or various other unlawful data on the gadget.
Ransom.Winlock popup alert may falsely claim to be obtaining from a legislation enforcement establishment as well as will report having situated child pornography or other illegal data on the gadget. The alert will in a similar way have a requirement for the user to pay the ransom.
Technical details
File Info:
crc32: BA4364FAmd5: cb87baf4b84f3505cea124442e75cc3ename: 38ac9792518e3a22.exesha1: d5a3aaa114a42a054138ac16744624f6c2f761a2sha256: 860a050e2010feb8a391eb8b7a4b8a9c1f4d356dcfd5986e7a6a59d1a13eb8c0sha512: ad979dfb7ce73fb32e4764b44ae5661840cd40f3b57f6ff2b2cd5a11d67607de4eb63f88a8c750de15f32cffd9a2b6ed958a0561512b12d30697c222939de9bbssdeep: 12288:7MSU4joci8M6PW1GVFeFd60DFUyheNYM:ASUCpM2W1GvgmyeNvtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Ransom.Winlock also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetectVM.malware2 |
| MicroWorld-eScan | Gen:Trojan.ShellStartup.BGW@aKlGgGgc |
| FireEye | Generic.mg.cb87baf4b84f3505 |
| CAT-QuickHeal | Ransom.Somhoveran.C8 |
| Qihoo-360 | Win32/Trojan.IM.d8e |
| McAfee | GenericRXEQ-QT!CB87BAF4B84F |
| Malwarebytes | Ransom.Winlock |
| VIPRE | Trojan.Win32.Generic!BT |
| Sangfor | Malware |
| K7AntiVirus | Trojan ( 0043daac1 ) |
| BitDefender | Gen:Trojan.ShellStartup.BGW@aKlGgGgc |
| K7GW | Trojan ( 0043daac1 ) |
| Cybereason | malicious.4b84f3 |
| TrendMicro | Mal_LockScreen |
| BitDefenderTheta | AI:Packer.5F21E6BA21 |
| F-Prot | W32/A-54adbbab!Eldorado |
| TotalDefense | Win32/Tnega.AVPY |
| TrendMicro-HouseCall | Mal_LockScreen |
| Paloalto | generic.ml |
| ClamAV | Win.Trojan.Gimemo-820 |
| GData | Win32.Trojan-Ransom.Somhoveran.A |
| Kaspersky | Trojan-Ransom.Win32.Gimemo.cdqu |
| Alibaba | Ransom:Win32/Gimemo.45324245 |
| NANO-Antivirus | Trojan.Win32.Gimemo.foalcc |
| AegisLab | Trojan.Win32.Gimemo.4!c |
| APEX | Malicious |
| Rising | Trojan.LockScreen!1.AA76 (CLASSIC) |
| Ad-Aware | Gen:Trojan.ShellStartup.BGW@aKlGgGgc |
| Sophos | Mal/Generic-S |
| Comodo | TrojWare.Win32.Ransom.Gimemo.OP@5rbubo |
| F-Secure | |
| DrWeb | Trojan.KillProc.44480 |
| Zillya | Trojan.Gimemo.Win32.6128 |
| Invincea | heuristic |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.gh |
| Trapmine | suspicious.low.ml.score |
| CMC | Trojan-Ransom.Win32!O |
| Emsisoft | Gen:Trojan.ShellStartup.BGW@aKlGgGgc (B) |
| SentinelOne | DFI – Suspicious PE |
| Cyren | W32/A-54adbbab!Eldorado |
| Jiangmin | Trojan/Gimemo.gmy |
| Webroot | W32.Trojan.Gen |
| Avira | TR/Strictor.oiuya |
| MAX | malware (ai score=99) |
| Antiy-AVL | Trojan[Ransom]/Win32.Gimemo.bdvq |
| Endgame | malicious (high confidence) |
| Arcabit | Trojan.ShellStartup.ED2665 |
| SUPERAntiSpyware | |
| ZoneAlarm | Trojan-Ransom.Win32.Gimemo.cdqu |
| Microsoft | Ransom:Win32/Somhoveran.C |
| AhnLab-V3 | Trojan/Win32.Gimemo.R78730 |
| Acronis | suspicious |
| VBA32 | Trojan-Ransom.Winlock.gen |
| ALYac | Gen:Trojan.ShellStartup.BGW@aKlGgGgc |
| TACHYON | Ransom/W32.DP-Gimemo.446464 |
| Cylance | Unsafe |
| Avast | Win32:Agent-ATUS [Trj] |
| ESET-NOD32 | Win32/LockScreen.AWI |
| Tencent | Ransom.Win32.Gmie.a |
| Yandex | Trojan.Gimemo!NhBAjwIizx8 |
| Ikarus | Trojan.Strictor |
| eGambit | Unsafe.AI_Score_99% |
| Fortinet | W32/LockScreen.AW!tr |
| AVG | Win32:Agent-ATUS [Trj] |
| Panda | Trj/Ransom.CC |
| CrowdStrike | win/malicious_confidence_100% (W) |
| MaxSecure | Trojan.Malware.9553181.susgen |
How to remove Ransom.Winlock ransomware?
The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.">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.Winlock 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.Winlock you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
