Unusual spikes in network traffic or CPU usage from a process named Downloader.exe .
Trojan Downloader . Its primary function is to establish a connection to a Command and Control (C2) server to download further malware, such as ransomware or info-stealers. Behavioral Profile: sinnistar - Downloader.exe
The file may use "Sinnistar" as a spoofed internal name or metadata tag to appear as a legitimate legacy application or game-related utility. Unusual spikes in network traffic or CPU usage