![]() ![]() %AppData%\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Server.exe.The main file drops and executes the following files: When decrypted, the marker can be matched at the end of the encrypted file. Through further examination, we saw the function checking for the marker inside the encrypted file. This marker serves as an indicator to determine whether a file has been encrypted. We observed the malware using the LockFile function which encrypts files by renaming them and adding a marker. The malware renames the encrypted files using Base64. The malware also terminates the following processes: The following are the extensions that the Big Head ransomware encrypts: The malware avoids the directories that contain the following substrings:īy excluding these directories from its malicious activities, the malware reduces the likelihood of being detected by security solutions installed in the system and increases its chances of remaining undetected and operational for a longer duration. These binaries are encrypted, rendering their contents inaccessible without the appropriate decryption mechanism. It also displays a fake Windows update to deceive the victim into thinking that the malicious activity is a legitimate process. Xarch.exe drops a file named BXIuSsB.exe, a piece of ransomware that encrypts files and encodes file names to Base64.Archive.exe drops a file named teleratserver.exe, a Telegram bot responsible for establishing communication with the threat actor’s chatbot ID.This is a piece of ransomware that checks for the extension “.r3d” before encrypting and appending the “.poop” extension. 1.exe drops a copy of itself for propagation.Īdditionally, we noted the presence of three resources that contained data resembling executable files with the “*.exe” extension: It's easiest to activate Parallels Desktop when your Mac is connected to the Internet, but if you have another computer or device that's connected, you can use that.The format that the malware adheres to in terms of its behavior upon installation is as follows: If Your Mac Isn't Connected to the Internet Or to purchase a key that lets you use Parallels Desktop permanently, click Buy. Then, to get a free trial Product Activation Key so you can try out Parallels Desktop for a limited time, click Get Trial. If you don't have a key already, you can get one by choosing Parallels Desktop > Activate Product. If You Don't Have A Product Activation Key Note: If you bypass the activation dialog, you can activate Parallels Desktop later by choosing Parallels Desktop > Activate Product and entering your Product Activation Key. If you bought a boxed copy, you can find your key printed on the installation disc sleeve. If you purchased Parallels Desktop from the Parallels Online Store, a key was sent to the email address you provided. ![]() Once the registration is finished, you must enter your Product Activation Key to activate Parallels Desktop. Activate Parallels Desktop Activate Parallels Desktop ![]()
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