Heuristic virus'

Did a Norton anti-virus scan for my pc and here's the outcome on top of the 40 cookies that were removed... 4 Heuristic virus'

WARNING: VERY NEW, VERY HIGH RISK

Suspicious.Cloud.7.F
 Type: Anomaly
 Risk: High (High Stealth, High Removal, High Performance, High Privacy)  
 Categories: Heuristic Virus
 Status: Fully Resolved

 

WARNING: HIGH RISK

Suspicious.Cloud.9
 Type: Anomaly
 Risk: High (High Stealth, High Removal, High Performance, High Privacy)  
 Categories: Heuristic Virus
 Status: Fully Resolved

Suspicious.Cloud.9
 Type: Anomaly
 Risk: High (High Stealth, High Removal, High Performance, High Privacy)  
 Categories: Heuristic Virus
 Status: Fully Resolved

Suspicious.Cloud.9
 Type: Anomaly
 Risk: High (High Stealth, High Removal, High Performance, High Privacy)  
 Categories: Heuristic Virus
 Status: Fully Resolved