VirusTotal

SophosEncrypt: Researchers expose new ransomware abusing the Sophos name

Threats and Risks

SophosEncrypt: Researchers expose new ransomware abusing the Sophos name

The executable uses 'Sophos' in the ransom notice and the '.sophos' extension for encrypted files

clock 19 July 2023 • 3 min read
Stealthy Windows PowerShell backdoor discovered by researchers

Threats and Risks

Stealthy Windows PowerShell backdoor discovered by researchers

'Fully undetectable' backdoor cannot be discovered by any security tool on VirusTotal and seems to have been developed by a skilled actor

clock 19 October 2022 • 2 min read

Threats and Risks

US Cyber Command releases malware samples linked to North Korean hackers

One sample appears to be the same piece of malware which the US agencies warned about in May

clock 16 August 2019 • 2 min read

Security

Alphabet's Chronicle launches 'Backstory' tool to analyse massive amounts of security data on networks

Backstory is a cloud-based platform capable of analysing network data and comparing it with malicious cyber activity

clock 05 March 2019 • 2 min read