Win32/Delf.ATW
Isabella Bartlett What is Win32/Delf.ATW infection?
In this short article you will certainly find regarding the definition of Win32/Delf.ATW and its adverse influence on your computer system. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom money by a sufferer.
Most of the situations, Win32/Delf.ATW ransomware will advise its targets to initiate funds move for the purpose of counteracting the modifications that the Trojan infection has presented to the victim’s device.
Win32/Delf.ATW 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.
- Injection (inter-process);
- Injection (Process Hollowing);
- 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.;
- 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;
- Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config;
- 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 documents located on the target’s hard disk drive — so the victim can no more make use of the information;
- Preventing normal accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Win32/Delf.ATW
The most typical channels where Win32/Delf.ATW Ransomware are infused are:
- By means of phishing e-mails;
- As a consequence of user winding up on a resource that hosts a harmful software application;
As quickly as the Trojan is successfully injected, it will either cipher the information on the target’s PC or prevent the device from functioning in a correct manner – while also putting a ransom money note that discusses the demand for the sufferers to effect the repayment for the objective of decrypting the files or bring back the file system back to the initial problem. In most instances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has actually already been harmed.
Win32/Delf.ATW circulation channels.
In numerous corners of the globe, Win32/Delf.ATW expands by jumps and also bounds. Nevertheless, the ransom notes and also techniques of extorting the ransom money quantity may differ depending on certain regional (local) settings. The ransom notes and tricks of extorting the ransom money quantity may vary depending on specific neighborhood (local) settings.
For example:
Faulty alerts regarding unlicensed software.
In specific areas, the Trojans commonly wrongfully report having detected some unlicensed applications enabled on the target’s gadget. The sharp after that requires the customer to pay the ransom.
Faulty statements regarding illegal web content.
In countries where software application piracy is much less popular, this approach is not as effective for the cyber fraudulences. Additionally, the Win32/Delf.ATW popup alert may wrongly assert to be deriving from a police establishment and also will report having located youngster porn or various other illegal information on the tool.
Win32/Delf.ATW popup alert may incorrectly assert to be obtaining from a regulation enforcement establishment and will report having situated youngster porn or other unlawful information on the device. The alert will in a similar way have a requirement for the customer to pay the ransom money.
Technical details
File Info:
crc32: C77F2BE8md5: 41bcbcd2e5c1ff28af89ac59754c89eename: 41BCBCD2E5C1FF28AF89AC59754C89EE.mlwsha1: bc387e17710572a4ee291bada7156dcebd45c724sha256: 27293016849c164a5edf5969a9927bcce51bf97ba2d5f15db47a3085975b5eb8sha512: e58f97445126bffd3f1ea8c2618e6723ca672daad96725e99a9879a64eb918dd7a527b115bdf0138996e2fd41fc0c602e9a6f2d3cde5651444915f93cb2245afssdeep: 6144:8jDgNBgAzEDhqDAypDJMklThfuH6pEnLRWvGv3Je/Ra5xInDPSZBSapTSL:kDg8ZkDBJMmTdkJnLRWevGRar4O9SLtype: MS-DOS executable, MZ for MS-DOSVersion Info:
LegalCopyright: Copyright (c) 2006-2014 Indigo Rose CorporationInternalName: FeedersFileVersion: 7.3.3.4CompanyName: Indigo Rose CorporationFileDescription: 2420 Lan's Retrieving Immensely AddgroupLegalTrademarks: Copyright (c) 2006-2014 Indigo Rose CorporationComments: 2420 Lan's Retrieving Immensely AddgroupProductName: FeedersLanguages: EnglishProductVersion: 7.3.3.4PrivateBuild: 7.3.3.4OriginalFilename: FeedersTranslation: 0x0409 0x04b0
Win32/Delf.ATW also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Bkav | W32.AIDetect.malware1 |
| MicroWorld-eScan | Gen:Variant.BrResmon.171 |
| FireEye | Generic.mg.41bcbcd2e5c1ff28 |
| McAfee | Artemis!41BCBCD2E5C1 |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| Sangfor | Trojan.Win32.Vigorf.A |
| K7AntiVirus | Trojan ( 0047698f1 ) |
| BitDefender | Gen:Variant.BrResmon.171 |
| K7GW | Trojan ( 0047698f1 ) |
| Cybereason | malicious.2e5c1f |
| Symantec | ML.Attribute.HighConfidence |
| APEX | Malicious |
| Avast | FileRepMalware |
| Kaspersky | Trojan-Ransom.Win32.Foreign.njli |
| Alibaba | Ransom:Win32/Foreign.bd277282 |
| NANO-Antivirus | Trojan.Win32.RiskGen.elgyhb |
| Rising | Ransom.Foreign!8.292 (CLOUD) |
| Ad-Aware | Gen:Variant.BrResmon.171 |
| Emsisoft | Gen:Variant.BrResmon.171 (B) |
| DrWeb | Trojan.PWS.Stealer.18284 |
| TrendMicro | Mal_MiliCry-1h |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.dc |
| Sophos | Mal/Generic-S |
| Ikarus | Trojan.Win32.Delf |
| GData | Gen:Variant.BrResmon.171 |
| ESET-NOD32 | Win32/Delf.ATW |
| Avira | TR/AD.Inject.mfcmu |
| MAX | malware (ai score=80) |
| Arcabit | Trojan.BrResmon.171 |
| Microsoft | Trojan:Win32/Viknok.B |
| Cynet | Malicious (score: 100) |
| AhnLab-V3 | Trojan/Win32.Foreign.C1769256 |
| BitDefenderTheta | Gen:NN.ZexaF.34608.rmuaaubMsIji |
| ALYac | Gen:Variant.BrResmon.171 |
| TACHYON | Ransom/W32.Foreign.289280 |
| VBA32 | Hoax.Foreign |
| Malwarebytes | Malware.Heuristic.1003 |
| Panda | Trj/CI.A |
| TrendMicro-HouseCall | Mal_MiliCry-1h |
| Tencent | Win32.Trojan.Foreign.Pcjc |
| Yandex | Trojan.Foreign!ubgVK9Jn6gQ |
| SentinelOne | Static AI – Suspicious PE |
| Fortinet | W32/Delf.ATW!tr |
| AVG | FileRepMalware |
| Paloalto | generic.ml |
| CrowdStrike | win/malicious_confidence_70% (D) |
| Qihoo-360 | Win32/Trojan.Foreign.HgIASOUA |
How to remove Win32/Delf.ATW 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/Delf.ATW 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/Delf.ATW you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
