Table 2 First signs of ransomware infection
From: Ransomware deployment methods and analysis: views from a predictive model and human responses
Sign of infection | Number of occurrences |
|---|---|
Desktop was locked | 10 |
Some files went missing | 10 |
Office software such as MS Word and Excel crashed or failed to open file | 9 |
Starting up took much longer than usual | 5 |
Computer crashed | 4 |
Computer started to overheat and became very slow | 4 |
Antivirus software was disabled or took longer to start up | 2 |
Screen or display started to jitter | 2 |
Computer restarted without my consent | 1 |
Noticed files starting to encrypt on network share | 1 |
Browser window popups appeared | 1 |
Intrusion detection system sent alerts about connections to blacklisted IP addresses, vulnerable ports, or suspicious DNS queries | 1 |
User reported system performance issue | 1 |