Threat intelligence
The Covid-19 Hoax Scareware
SonicWall Capture Labs Threat Research Team observed another malware taking advantage of the COVID-19(Coronavirus) fear. We have already highlighted malware in our blogs that uses Covid-19 name to spread further.
The sample pretends to be a ransomware by displaying ransom note as shown below though in reality it does not encrypt any file.
Upon execution, it adds a run entry for persistence.
To scare the victim, a number of security warning messages are displayed as shown below:
SonicWall Capture Labs provides protection against this threat via the following signature:
GAV: Scareware.CoVid_A (Trojan)
This threat is also detected by SonicWALL Capture ATP.
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The SonicWall Capture Labs Threat Research Team gathers, analyzes and vets cross-vector threat information from the SonicWall Capture Threat network, consisting of global devices and resources, including more than 1 million security sensors in nearly 200 countries and territories. The research team identifies, analyzes, and mitigates critical vulnerabilities and malware daily through in-depth research, which drives protection for all SonicWall customers. In addition to safeguarding networks globally, the research team supports the larger threat intelligence community by releasing weekly deep technical analyses of the most critical threats to small businesses, providing critical knowledge that defenders need to protect their networks.