The Last Watchdog

SEPTEMBER 18, 2018

One reason for the enduring waves of ransomware is that unstructured data is easy for hackers to locate and simple for them to encrypt. The main difference between the two is organization and analysis. For structured data, users can run simple analysis tools, i.e., content searches, to find what they need. Ransomware target.

Unstructured data 158

Unstructured data Ransomware Mining Encryption 158

Security Affairs

FEBRUARY 19, 2019

Technical analysis. This file acts as downloader in the infection chain, using a series of hard-coded server addresses, It heavily rely on obfuscation and encryption to avoid the antimalware detection. Shade encrypts all the user files using an AES encryption scheme. References to an Oil-Gas company.

Ransomware 76

Ransomware Mining File names Encryption 76

Security Affairs

SEPTEMBER 29, 2018

According to experts from Avast, the Torii bot has been active since at least December 2017, it could targets a broad range of architectures, including ARM, MIPS, x86, x64, PowerPC, and SuperH. ” reads the analysis published by Avast. ” reads the analysis published by Avast. ” continues the analysis.

IoT 89

IoT Communications Mining Encryption 89

Security Affairs

AUGUST 8, 2018

DDoS attacks, ransomware-based campaigns, cryptocurrency mining campaigns). We named this botnet “Black” due to the RC4 key value, “black”, that is used for traffic encryption in this botnet.” ” reads the analysis published by Checkpoint security. Bot-B connects to Bot-A. Pierluigi Paganini.

Encryption 50

Encryption Mining Security Ransomware 50

Security Affairs

FEBRUARY 28, 2019

For example, after encryption, the file “1.jpg” Nheqminer is a great implementation of equihash mining, mainly used on NiceHas but forked many times and todays is getting used for several spare projects as well. According to zcashnetwork the attacker’s wallet received from mining activity 4.89 crypted000007” extension to each.

Ransomware 77

Ransomware Mining File names Encryption 77

Security Affairs

JULY 29, 2018

” reads the analysis published by TrendMicro. “Underminer delivers a bootkit that infects the system’s boot sectors as well as a cryptocurrency-mining malware named Hidden Mellifera.” According to the experts, this makes it difficult to analyze the malicious code.

Encryption 47

Encryption Mining Access Security 47

Security Affairs

NOVEMBER 19, 2019

In 2017, password-protected archives accounted for only 0.08% of all malicious objects. Thanks to behavioral analysis, such systems make it possible to detect previously unknown malware samples.”. The main functionality of the malware is to encrypt data on the computer and make ransom demands. Financial departments at high risk.

Ransomware 71

Ransomware Archiving Passwords Encryption 71