How to remove 3Crypt RAT from Mac

What kind of malware is 3Crypt RAT?

3Crypt RAT is a Remote Access Trojan targeting macOS systems. The moment it executes, it performs thorough profiling of the infected machine - collecting hardware identifiers, reading the device's security settings, mapping the network, and enumerating every running process. It then installs multiple persistence mechanisms to survive reboots and uses a range of evasion techniques to conceal its activity from both the user and security software. If 3Crypt RAT is detected on a device, it should be removed as soon as possible.

3Crypt RAT overview

Upon first execution, 3Crypt RAT immediately begins building a detailed profile of the infected Mac. It collects hardware details including the device's model name, serial number, UUID, CPU model, installed RAM, and GPU. It also reads the current state of security features built into macOS: whether System Integrity Protection (SIP) is active, whether FileVault disk encryption is enabled, and whether the system firewall is on. This gives the attacker an immediate picture of how well-protected the target is before any further action is taken.

Network reconnaissance runs at the same time. The RAT identifies all available network interfaces, the default gateway, DNS server addresses, the local ARP table, and performs a scan of open ports on the machine. Alongside this, it uses low-level macOS system interfaces to obtain a complete list of every process currently running - groundwork that prepares the operator to potentially inject code into, or otherwise interfere with, specific applications.

Persistence mechanisms

3Crypt RAT installs three separate persistence mechanisms so that it survives reboots and stays active even if one method is removed. It writes and immediately loads a LaunchAgent property list file with the identifier com.test.3crypt, setting the RunAtLoad flag so macOS launches the RAT automatically each time the user logs in.

Shell initialization files are also modified. The malware appends a hidden marker to .zshrc, .bashrc, and .bash_profile, ensuring it re-executes whenever the user opens a terminal session. A third layer of persistence comes from a crontab entry - a scheduled task that can trigger the RAT at regular intervals independently of the other mechanisms.

Defense evasion

3Crypt RAT uses several techniques to avoid detection and complicate forensic analysis. It inspects the CPU's brand string and analyzes memory allocation patterns to detect whether it is running inside a virtual machine or an automated security sandbox. If it suspects it is being analyzed, it can change its behavior to avoid triggering alarms. It also applies anti-debugging measures using the ptrace system call, which prevents security researchers from attaching analysis tools to the running process.

To hinder forensic investigation, the RAT manipulates file timestamps using the utimes system call, hiding the actual time of its file operations on disk. It also injects false entries into system logs, corrupting the forensic trail that investigators would normally rely on. Finally, it uses osascript - macOS's built-in scripting environment - to perform context-aware hiding, allowing it to blend in with legitimate system activity or suppress its visibility depending on what else is running on the machine.

Conclusion

3Crypt RAT is a capable and well-equipped remote access tool that hands an attacker persistent, stealthy access to the infected Mac. Through hardware fingerprinting, process enumeration, network reconnaissance, and triple-layer persistence, it establishes a thorough foothold on the compromised device. Its evasion techniques - including VM detection, anti-debugging, timestamp manipulation, and log poisoning - make it particularly difficult to detect and analyze after the fact.

Victims may face data theft, account hijacking, identity theft, financial losses, and the possibility of additional malware being pushed through the established backdoor. Because 3Crypt RAT operates silently, users often have no indication that anything is wrong. Removal should be carried out as soon as an infection is suspected.

More examples of malware targeting macOS are Overlord, GolangGhost, and Bella.

How did 3Crypt RAT infiltrate my computer?

The specific distribution methods used to spread 3Crypt RAT are currently unknown. In general, Remote Access Trojans rely on phishing and social engineering to reach victims. Malicious programs are typically disguised as or bundled with legitimate software or media, and simply opening an infected file can be enough to trigger an infection.

Common distribution channels include malicious email attachments, trojans, drive-by downloads, dubious download sources such as freeware sites and Peer-to-Peer networks, pirated software and media, illegal activation tools ("cracks"), and fake software update prompts. Some malicious programs are also capable of self-spreading through local networks and removable storage devices such as USB flash drives.

How to avoid malware?

Be careful with emails, direct messages, and files from unexpected or unknown sources. Avoid opening attachments or clicking links in suspicious messages. Download software only from official sources such as the Mac App Store or the developer's own website, and avoid cracked applications, key generators, and unofficial installers. Keep macOS and all installed applications updated regularly.

Avoid clicking pop-up ads, suspicious links, or browser notifications from unfamiliar websites. Use a reputable security application and perform regular system scans. If your computer is already infected, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate all threats.

Instant automatic malware removal:

Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:

By downloading any software listed on this website you agree to our Privacy Policy and Terms of Use. To use full-featured product, you have to purchase a license for Combo Cleaner. 7 days free trial available. Combo Cleaner is owned and operated by RCS LT, the parent company of PCRisk.com.

Quick menu:

• What is 3Crypt RAT?
• Remove 3Crypt RAT related files and folders from OSX.

Potentially unwanted applications removal:

Remove potentially unwanted applications from your "Applications" folder:

Click the Finder icon. In the Finder window, select "Applications". In the applications folder, look for "MPlayerX","NicePlayer", or other suspicious applications and drag them to the Trash. After removing the potentially unwanted application(s) that cause online ads, scan your Mac for any remaining unwanted components.

Frequently Asked Questions (FAQ)

My computer is infected with 3Crypt RAT malware, should I format my storage device to get rid of it?

Formatting will fully remove 3Crypt RAT but will also erase everything stored on the device. Before taking such a drastic step, it is generally recommended to try a reliable security tool like Combo Cleaner first.

What are the biggest issues that 3Crypt RAT malware can cause?

3Crypt RAT gives attackers persistent, silent remote access to the infected Mac. This can result in data theft, account hijacking, identity theft, financial loss, and the deployment of additional malware. Because it uses evasion techniques and operates without visible symptoms, it can remain active on a system for a long time before being discovered.

What is the purpose of 3Crypt RAT malware?

The purpose of 3Crypt RAT is to give attackers ongoing remote access to infected macOS devices. By profiling the hardware, security settings, network, and running processes, it provides the operator with detailed situational awareness and a persistent foothold for further attacks or data theft.

How did 3Crypt RAT malware infiltrate my computer?

The specific distribution methods for 3Crypt RAT are not yet known. Malware is generally spread via phishing emails, trojanized installers, pirated content, malicious advertisements, fake software updates, and software cracks. Some threats also spread through local networks or removable storage devices.

Will Combo Cleaner protect me from malware?

Yes, Combo Cleaner can detect and remove a wide range of threats. However, some advanced malware may hide deep within the system, so running a full scan is strongly recommended to ensure complete elimination.