Win32/Kryptik.AWST
Andrew White What is Win32/Kryptik.AWST infection?
In this post you will certainly find concerning the meaning of Win32/Kryptik.AWST as well as its negative influence on your computer system. Such ransomware are a type of malware that is clarified by on the internet scams to require paying the ransom money by a target.
Most of the situations, Win32/Kryptik.AWST infection will certainly advise its targets to start funds transfer for the objective of counteracting the modifications that the Trojan infection has introduced to the target’s tool.
Win32/Kryptik.AWST 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.
- Injection (inter-process);
- Injection (Process Hollowing);
- Attempts to connect to a dead IP:Port (1 unique times);
- Presents an Authenticode digital signature;
- 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.
- A process attempted to delay the analysis task.;
- Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
- HTTP traffic contains suspicious features which may be indicative of malware related traffic;
- Performs some HTTP requests;
- The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Executed a process and injected code into it, probably while unpacking;
- Deletes its original binary from disk;
- A process was set to shut the system down when terminated;
- Behavior consistent with a dropper attempting to download the next stage.;
- 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
- Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
- Creates a copy of itself;
- Ciphering the papers located on the sufferer’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.
| z.whorecord.xyz | Ransom:Win32/Injector.9be29bc9 |
| a.tomx.xyz | Ransom:Win32/Injector.9be29bc9 |
Win32/Kryptik.AWST
One of the most typical networks where Win32/Kryptik.AWST Ransomware Trojans are injected are:
- By ways of phishing e-mails;
- As an effect of customer ending up on a source that hosts a destructive software application;
As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s computer or stop the tool from functioning in a proper way – while also positioning a ransom note that mentions the requirement for the targets to impact the payment for the objective of decrypting the papers or bring back the file system back to the preliminary condition. In a lot of circumstances, the ransom money note will certainly show up when the customer reboots the COMPUTER after the system has already been harmed.
Win32/Kryptik.AWST distribution networks.
In various corners of the world, Win32/Kryptik.AWST expands by jumps and also bounds. Nonetheless, the ransom money notes as well as methods of obtaining the ransom quantity may vary depending on certain local (local) setups. The ransom money notes and methods of extorting the ransom quantity might vary depending on certain neighborhood (regional) settings.
As an example:
Faulty alerts about unlicensed software program.
In certain areas, the Trojans usually wrongfully report having found some unlicensed applications enabled on the victim’s device. The sharp after that requires the individual to pay the ransom.
Faulty declarations concerning unlawful content.
In nations where software program piracy is less prominent, this method is not as reliable for the cyber scams. Additionally, the Win32/Kryptik.AWST popup alert might incorrectly claim to be originating from a police establishment and will report having located kid pornography or other prohibited data on the gadget.
Win32/Kryptik.AWST popup alert may wrongly assert to be acquiring from a regulation enforcement establishment as well as will certainly report having situated child porn or various other prohibited data on the device. The alert will in a similar way have a need for the customer to pay the ransom.
Technical details
File Info:
crc32: A83D4B79md5: 1627b61e35515367ccf17a974d285b90name: 1627B61E35515367CCF17A974D285B90.mlwsha1: 0a595fd8acab2c2fb61fa459654cd3bc87407c12sha256: 844a20ae19f58870b247788d07ebefb0168cc385fa2f0cb448c1e12536a31be1sha512: 4029868e330b5dd07e4bbfb263631b0ebc96ecca586fcdcb8f49a77bcbf1894d53de187e32d5327855f2cd8fe696bc6a432c5bd75fc82f060247ca09bfd639bdssdeep: 768:UZpCTdf1Y+ox3s2NfMamxwYPdx89tKN09KAShdf5WxKR2cX:AoTdf1eeg7Svx89t19KASvfEi2cXtype: PE32 executable (GUI) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Win32/Kryptik.AWST also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| K7AntiVirus | Trojan ( 004309a31 ) |
| Elastic | malicious (high confidence) |
| DrWeb | Trojan.MulDrop4.27314 |
| Cynet | Malicious (score: 100) |
| ALYac | Gen:Heur.Locky.2 |
| Cylance | Unsafe |
| Zillya | Trojan.Blocker.Win32.6542 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (D) |
| Alibaba | Ransom:Win32/Injector.9be29bc9 |
| K7GW | Trojan ( 004309a31 ) |
| Cybereason | malicious.e35515 |
| Symantec | Packed.Generic.406 |
| ESET-NOD32 | a variant of Win32/Kryptik.AWST |
| APEX | Malicious |
| Avast | Win32:DangerousSig [Trj] |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| BitDefender | Gen:Heur.Locky.2 |
| NANO-Antivirus | Trojan.Win32.Androm.ftzqhj |
| MicroWorld-eScan | Gen:Heur.Locky.2 |
| Tencent | Win32.Trojan.Falsesign.Dvzr |
| Ad-Aware | Gen:Heur.Locky.2 |
| Sophos | Mal/Generic-R + Troj/Ransom-QA |
| Comodo | Malware@#3lurr8kagjbbd |
| VIPRE | Trojan.Win32.Reveton.a (v) |
| TrendMicro | TROJ_SPNR.35DF13 |
| McAfee-GW-Edition | PWS-Zbot-FAKU!1627B61E3551 |
| FireEye | Generic.mg.1627b61e35515367 |
| Emsisoft | Gen:Heur.Locky.2 (B) |
| SentinelOne | Static AI – Suspicious PE |
| Jiangmin | Trojan/Blocker.dpn |
| Webroot | W32.FakeAlert.Gen |
| Avira | TR/Crypt.XPACK.Gen |
| Antiy-AVL | Trojan/Generic.ASMalwS.520038 |
| Kingsoft | Win32.Troj.Undef.(kcloud) |
| Microsoft | Ransom:Win32/Tobfy.S |
| AegisLab | Trojan.Win32.Androm.lW9Q |
| GData | Gen:Heur.Locky.2 |
| TACHYON | Trojan/W32.Blocker.46872 |
| AhnLab-V3 | Spyware/Win32.Zbot.R58447 |
| Acronis | suspicious |
| McAfee | PWS-Zbot-FAKU!1627B61E3551 |
| MAX | malware (ai score=100) |
| VBA32 | Backdoor.Androm |
| Malwarebytes | Spyware.Zbot.ED |
| Panda | Trj/Hexas.HEU |
| TrendMicro-HouseCall | TROJ_SPNR.35DF13 |
| Rising | Ransom.Tobfy!8.339 (CLOUD) |
| Ikarus | Trojan-Ransom.Blocker |
| MaxSecure | Trojan.Malware.5443767.susgen |
| Fortinet | W32/Krypt.ANTO!tr |
| AVG | Win32:DangerousSig [Trj] |
| Paloalto | generic.ml |
How to remove Win32/Kryptik.AWST 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/Kryptik.AWST 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/Kryptik.AWST you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
