In this article, I am going to explain how the CryptExt trojan injected right into your PC, and the best way to clear away CryptExt trojan virus.
What is CryptExt trojan?
| Name | CryptExt |
| Infection Type | Trojan |
| Symptoms |
|
| Similar behavior | Vundo, Amprye, Seleya, Obitel, Chksyn, Parchood |
| Fix Tool |
See If Your System Has Been Affected by CryptExt trojan |
Trojan viruses are one of the leading malware kinds by its injection rate for quite a very long time. And now, throughout the pandemic, when malware got immensely active, trojan viruses increased their activity, too. You can see plenty of messages on various resources, where people are grumbling concerning the CryptExt trojan virus in their computers, as well as requesting help with CryptExt trojan virus clearing.
Trojan CryptExt is a sort of virus that infiltrates right into your PC, and after that executes different harmful functions. These functions depend on a sort of CryptExt trojan: it might work as a downloader for other malware or as a launcher for an additional destructive program which is downloaded together with the CryptExt trojan. Over the last two years, trojans are likewise distributed using e-mail attachments, and in the majority of cases utilized for phishing or ransomware injection.
CryptExt2 also known as
| Lionic | Trojan.Win32.Chapak.4!c |
| Elastic | malicious (high confidence) |
| MicroWorld-eScan | Trojan.Brsecmon.1 |
| FireEye | Generic.mg.59fa1ce6c4842731 |
| CAT-QuickHeal | Ransom.Stop.P5 |
| McAfee | Sodinokibi!59FA1CE6C484 |
| Cylance | Unsafe |
| Zillya | Trojan.Kryptik.Win32.1666306 |
| Sangfor | Trojan.Win32.Save.a |
| CrowdStrike | win/malicious_confidence_100% (D) |
| Alibaba | Trojan:Win32/CryptExt.c157e75f |
| K7GW | Trojan ( 0054f74b1 ) |
| K7AntiVirus | Trojan ( 0054f74b1 ) |
| BitDefenderTheta | Gen:NN.ZexaF.34212.7yW@aOalmxj |
| Cyren | W32/Agent.BAC.gen!Eldorado |
| Symantec | Packed.Generic.525 |
| ESET-NOD32 | a variant of Win32/Kryptik.GTPU |
| TrendMicro-HouseCall | Trojan.Win32.SODINOK.SM.hp |
| Paloalto | generic.ml |
| ClamAV | Win.Malware.Score-6995873-0 |
| Kaspersky | HEUR:Trojan.Win32.Generic |
| BitDefender | Trojan.Brsecmon.1 |
| NANO-Antivirus | Trojan.Win32.Chapak.fqzlfh |
| SUPERAntiSpyware | Trojan.Agent/Gen-Downloader |
| Avast | FileRepMalware |
| Tencent | Win32.Trojan.Chapak.Szvu |
| Ad-Aware | Trojan.Brsecmon.1 |
| Emsisoft | Trojan.Brsecmon.1 (B) |
| Comodo | TrojWare.Win32.Fakecsrss.AV@88nqyj |
| VIPRE | Trojan.Win32.Generic!BT |
| TrendMicro | Trojan.Win32.SODINOK.SM.hp |
| McAfee-GW-Edition | BehavesLike.Win32.Generic.dm |
| Sophos | Mal/Generic-S |
| Ikarus | Trojan.Win32.Crypt |
| GData | Trojan.Brsecmon.1 |
| Jiangmin | Trojan.Chapak.eeg |
| eGambit | Unsafe.AI_Score_98% |
| Avira | HEUR/AGEN.1209701 |
| MAX | malware (ai score=100) |
| Antiy-AVL | Trojan/Generic.ASMalwS.2BB8B2A |
| Arcabit | Trojan.Brsecmon.1 |
| ZoneAlarm | HEUR:Trojan.Win32.Generic |
| Microsoft | Trojan:Win32/CryptExt.A!MTB |
| Cynet | Malicious (score: 100) |
| AhnLab-V3 | Win-Trojan/MalPe11.Suspicious.X1963 |
| Acronis | suspicious |
| VBA32 | BScope.TrojanPSW.Azorult |
| ALYac | Trojan.Brsecmon.1 |
| Malwarebytes | Trojan.MalPack.GS.Generic |
| APEX | Malicious |
| Rising | Malware.Heuristic!ET#99% (RDMK:cmRtazqOAAO3VT84cRmhTHoq3mFA) |
| Yandex | Trojan.Kryptik!SiCzafqvPK4 |
| SentinelOne | Static AI – Malicious PE |
| MaxSecure | Ransomeware.CRAB.gen |
| Fortinet | W32/Kryptik.GTPJ!tr |
| AVG | FileRepMalware |
| Cybereason | malicious.6c4842 |
| Panda | Trj/GdSda.A |
What are the symptoms of CryptExt trojan?
- SetUnhandledExceptionFilter detected (possible anti-debug);
- Behavioural detection: Executable code extraction – unpacking;
- Yara rule detections observed from a process memory dump/dropped files/CAPE;
- Creates RWX memory;
- Anomalous file deletion behavior detected (10+);
- A process attempted to delay the analysis task.;
- Dynamic (imported) function loading detected;
- Performs HTTP requests potentially not found in PCAP.;
- Enumerates running processes;
- CAPE extracted potentially suspicious content;
- Authenticode signature is invalid;
- Steals private information from local Internet browsers;
- Collects information about installed applications;
- Checks the CPU name from registry, possibly for anti-virtualization;
- Attempts to modify proxy settings;
- Harvests cookies for information gathering;
- Harvests credentials from local FTP client softwares;
- Harvests information related to installed instant messenger clients;
- Harvests information related to installed mail clients;
- Collects information to fingerprint the system;
The usual sign of the CryptExt trojan virus is a gradual appearance of a wide range of malware – adware, browser hijackers, and so on. Because of the activity of these destructive programs, your PC ends up being really sluggish: malware uses up big amounts of RAM and CPU capabilities.
An additional visible result of the CryptExt trojan virus presence is unfamiliar programs displayed in task manager. Sometimes, these processes may try to imitate system processes, but you can understand that they are not legit by looking at the source of these tasks. Quasi system applications and CryptExt trojan’s processes are always specified as a user’s tasks, not as a system’s.
How to remove CryptExt trojan virus?
- Download and install Loaris Trojan Remover.
- Open Loaris and perform a “Standard scan“.
- “Move to quarantine” all items.
- Open “Tools” tab – Press “Reset Browser Settings“.
- Approve the reset pressing “Yes” button in the appeared window.
- Restart your computer.
To remove CryptExt trojan and ensure that all additional malware, downloaded with the help of this trojan, will be eliminated, as well, I’d recommend you to use Loaris Trojan Remover.
CryptExt removal guide
To spot and eliminate all malicious items on your personal computer using Loaris, it’s better to make use of Standard or Full scan. Removable scan, as well as Custom, will check only specified folders, so these types of scans are not able to provide the full information.
You can spectate the detects during the scan process goes. Nevertheless, to execute any actions against detected malicious programs, you need to wait until the process is over, or to stop the scan.
To designate the special action for each detected viruses, choose the arrow in front of the name of detected malicious programs. By default, all malicious items will be moved to quarantine.
How to remove CryptExt Trojan?
Name: CryptExt
Description: Trojan CryptExt is a kind of virus that infiltrates into your computer, and after that performs different destructive functions. These features depend upon a type of CryptExt trojan: it can act as a downloader for many other malware or as a launcher for another destructive program which is downloaded in addition to the CryptExt trojan. During the last two years, trojans are also dispersed via e-mail attachments, and most of situations utilized for phishing or ransomware infiltration.
Operating System: Windows
Application Category: Trojan
User Review
( votes)- What is Trojan Horse: https://en.wikipedia.org/wiki/Trojan_horse_(computing)
- CryptExt VirusTotal Report: https://www.virustotal.com/api/v3/files/ded9465bcd3b267051a37c53ac53914fcd0cb70d97c4123ec2884dc436fae1c9