This version of kk.exe is a stager or malicious executable that uses a flawed but legitimate driver (like Avast’s aswarpot.sys ) to terminate security processes on a target machine.
It is typically run via the command line to scan for specific registry keys, scheduled tasks, and files associated with the worm. 2. The Malware: BurntCigar Ransomware
Historically, is the executable name for KidoKiller , a specialized disinfection tool created by Kaspersky Labs.
Legitimate tools are usually run from a folder you chose. Malware often hides in Temp folders.
It is often referred to by the name BurntCigar .
If you suspect your system is , would you like instructions on how to perform a safety scan or identify suspicious file behavior ? kk.exe - Microsoft Q&A
In more recent years, security researchers have identified as a malicious file associated with the Cuba ransomware gang.
By disabling antivirus and other security tools, it clears the way for the ransomware to encrypt the victim's files without interference. Summary Table Legitimate Version Malicious Version Full Name Kaspersky KidoKiller BurntCigar Ransomware Primary Goal Remove the Conficker worm Terminate security processes & encrypt files Developer/Source Kaspersky Labs Cuba Ransomware Gang Current Status Mostly legacy (specific to older threats) Active threat used in modern attacks Recommendation If you find kk.exe on your system: