360 Total Security Blog

GrandCrab updated to V5.0- GrandCrab ransomware is back with a vengeance

In May 2017, WannaCry ransomware broke out globally. According to the statistics, there are at least 300,000 users in more than 150 countries, resulting in losses of 8 billion US dollars. Since then, WannaCry variants, GlobeImposter, Satan and other viruses have launched a number of attacks. At the beginning of 2018, GandCrab’s virus appeared on the Internet, and its latest version has been updated to 5.0. Since September, the spread of the GandCrab 5.0 ransomware has grown rapidly, and many files on Windows servers have been encrypted.

GandCrab 5.0 is mainly used to disguise itself as normal software to induce users to download, or use vulnerabilities and weak password cracking to spread. After the infection, the suffix of the files, documents, videos, compressed files, etc. in the hard disk will be changed to 5 random letters, and the desktop will give extortion information, stealing the user’s bitcoin, Dash and other digital currency.

According to 360 security experts, 360 Security Brain officially released in May this year has been continuously tracking the global ransomware outbreak and providing solutions to users based on the characteristics of these viruses. In the face of the current spread of GandCrab ransomware V5.0, users can defend against virus attacks by installing 360 Total Security powered by 360 Security Brain.

360 Total Security will comprehensively protect against weak passwords, remote login protection, vulnerability intrusion prevention, and document protection. If the users have already been attacked, they can scan their PC by using 360 Ransomware Decryption Tool which provides users one-click decryption to recover the file. After that, users are recommended to use 360 Total Security to scan the system thoroughly. At present, 360 Total Security can fully support the detection of GrandCrab V4.0/5.0/5.0.2/5.0.3.

In this era, 360 Security Brain as the world’s first distributed intelligent security system, is not limited to providing defense and killing solutions for viruses, it integrates network security sensors, data acquisition devices, data transmission systems, large data storage and computing systems, artificial intelligence algorithms, blockchain technology, etc. It combined with years of accumulated expert knowledge base and human-computer interaction analysis system, are committed to solving various network security problems in the era of big security.

Recommendation
Security experts remind users that the following defensive measures should be taken to deal with such ransomware attacks:
1. Avoid using weak passwords and using the same password in multiple devices.
2. Do not install software that is unclear and please fix computer vulnerabilities in time.
3. Download 360 Total Security to protect against ransomware and vulnerability attacks.