Win32/Lethic.AA

Written by Robert Bailey

What is Win32/Lethic.AA infection?

In this short article you will certainly locate concerning the definition of Win32/Lethic.AA and its adverse effect on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom money by a victim.

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In the majority of the cases, Win32/Lethic.AA infection will instruct its sufferers to initiate funds move for the purpose of neutralizing the modifications that the Trojan infection has actually introduced to the sufferer’s tool.

Win32/Lethic.AA Summary

These modifications can be as complies with:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Compression (or decompression);
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • Expresses interest in specific running processes;
  • The binary likely contains encrypted or compressed data.;
  • Executed a process and injected code into it, probably while unpacking;
  • Code injection with CreateRemoteThread in a remote process;
  • Installs itself for autorun at Windows startup;
  • Creates a hidden or system file;
  • Creates a copy of itself;
  • Empties the Recycle Bin, indicative of ransomware;
  • Ciphering the documents located on the target’s hard disk drive — so the victim can no longer use the data;
  • Preventing normal access to the target’s workstation;

Related domains:

zaber.zaberhmar.com BehavesLike.Win32.VirRansom.pc

Win32/Lethic.AA

One of the most regular networks where Win32/Lethic.AA Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a repercussion of customer winding up on a source that organizes a malicious software program;

As soon as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s computer or protect against the gadget from operating in an appropriate manner – while also putting a ransom money note that discusses the need for the victims to impact the repayment for the purpose of decrypting the files or bring back the documents system back to the initial condition. In many circumstances, the ransom money note will turn up when the client restarts the PC after the system has actually already been damaged.

Win32/Lethic.AA circulation networks.

In different corners of the world, Win32/Lethic.AA expands by leaps and bounds. However, the ransom money notes and methods of extorting the ransom money quantity may differ depending upon certain local (regional) setups. The ransom money notes and also techniques of extorting the ransom quantity may vary depending on certain neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs about unlicensed software program.

    In particular locations, the Trojans commonly wrongfully report having actually found some unlicensed applications allowed on the sufferer’s tool. The sharp then demands the individual to pay the ransom money.

    Faulty declarations concerning illegal material.

    In nations where software program piracy is much less popular, this method is not as effective for the cyber fraudulences. Alternatively, the Win32/Lethic.AA popup alert might falsely claim to be deriving from a police institution as well as will report having situated kid porn or other unlawful information on the device.

    Win32/Lethic.AA popup alert may wrongly claim to be deriving from a law enforcement institution as well as will report having situated kid porn or other illegal information on the device. The alert will in a similar way contain a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: 039BD04F
md5: db38e36da291d270393cdf21f1825e59
name: DB38E36DA291D270393CDF21F1825E59.mlw
sha1: 081023c7cc8df28c1d27b42091e6db84c6a01c46
sha256: 5a2a0fbb22b5821af344462dea3b7c5ea154600cd54b113d7b2bfad4254f1207
sha512: 9876f6ea1aba558072a2a4042433be6b0268e557c1cb19b70e21748517998a4296fc0fc4f7e71b996ad861cdb8cd2db9fef834544d99e0a67c0a4e3e84493d42
ssdeep: 768:Pj8VMqyyZCAXdZ1bgSoys/wpVcrswoA5hSiE:P4VRjXyF63AmP
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Lethic.AA also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0040f05b1 )
Elastic malicious (high confidence)
DrWeb BackDoor.Ddoser.131
Cynet Malicious (score: 100)
CAT-QuickHeal Worm.PushBot.Gen
ALYac Win32.Worm.Kolab.CQ
Cylance Unsafe
Zillya Dropper.Injector.Win32.28436
Sangfor Trojan.Win32.Injector.buxin
CrowdStrike win/malicious_confidence_100% (D)
Alibaba VirTool:Win32/Obfuscator.0ed45bc5
K7GW Trojan ( 0040f05b1 )
Cybereason malicious.da291d
Cyren W32/Backdoor.AF.gen!Eldorado
Symantec Packed.Generic.332
ESET-NOD32 Win32/Lethic.AA
Zoner Trojan.Win32.242
APEX Malicious
Avast Win32:IRCBot-ERC [Trj]
ClamAV Win.Dropper.Injector-611
BitDefender Win32.Worm.Kolab.CQ
NANO-Antivirus Trojan.Win32.Ddoser.rnykt
MicroWorld-eScan Win32.Worm.Kolab.CQ
Tencent Win32.Trojan-dropper.Injector.Wrqe
Ad-Aware Win32.Worm.Kolab.CQ
Sophos Mal/Generic-R + W32/Pushbot-AE
Comodo TrojWare.Win32.Kryptik.AFZP@4phreh
BitDefenderTheta Gen:NN.ZexaF.34266.cuW@aScJvQc
VIPRE Worm.Win32.Dorkbot
TrendMicro WORM_HAMWEQ.SMMJ
McAfee-GW-Edition BehavesLike.Win32.VirRansom.pc
FireEye Generic.mg.db38e36da291d270
Emsisoft Win32.Worm.Kolab.CQ (B)
SentinelOne Static AI – Malicious PE
Jiangmin TrojanDropper.Injector.zyt
Webroot Trojan.Dropper.Gen
Avira TR/Barys.2588.JH.1
Antiy-AVL Trojan/Generic.ASMalwS.16394F
Kingsoft Win32.Troj.Generic.a.(kcloud)
Microsoft Worm:Win32/Dorkbot.A
GData Win32.Trojan.Agent.9WAG32
AhnLab-V3 Worm/Win32.Kolab.R29644
Acronis suspicious
McAfee W32/Pinkslipbot.gen.be
MAX malware (ai score=100)
VBA32 Trojan.LE.01164
Malwarebytes Trojan.Agent.Generic
Panda Generic Malware
TrendMicro-HouseCall WORM_HAMWEQ.SMMJ
Rising Trojan.Generic@ML.100 (RDML:IXTJHIH9bOCzeqesosc1Uw)
Yandex Trojan.GenAsa!H+161P0nnDQ
Ikarus Trojan.Win32.Ransom
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Zbot.CGZF!tr
AVG Win32:IRCBot-ERC [Trj]
Paloalto generic.ml

How to remove Win32/Lethic.AA virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run 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.

Run Setup.exe

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.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Lethic.AA 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.

GridinSoft Anti-Malware Scanning

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.

GridinSoft Anti-Malware Scan Result

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:

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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Lethic.AA you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: http://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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