Security Affairs

NOVEMBER 19, 2019

To bypass antivirus systems, hackers send out malicious emails in non-working hours with delayed activation. Another technique used by cybercriminals to bypass antivirus systems is a targeted attack, in which malicious email are delivered outside regular working hours. More than 80% of all malicious files were disguised as .zip

Ransomware 72

Ransomware Antivirus Malware Banking 72

Security Affairs

OCTOBER 12, 2019

In August 2018, three members of the notorious cybercrime gang have been indicted and charged with 26 felony counts of conspiracy, wire fraud, computer hacking, access device fraud and aggravated identity theft. ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Pierluigi Paganini.

Identity Theft 76

Identity Theft Hacking Advertising DNS 76

SecureList

JUNE 2, 2022

Layout of the encrypted data. Packets exchanged with the C2 server contain a header (described in the next table) followed by AES-encrypted data. Initial connection: the generated AES key and its CRC32, encrypted using RSA-2048 with a hardcoded public key. x33x44”). Description. Sample value (in hex). Unknown static value.

Malware 113

Malware Encryption Social Engineering Telecommunications 113

Security Affairs

MARCH 26, 2019

The VBS code is obfuscated to evade antivirus detection and, in order to confuse the analyst, all the values are manipulated in different steps: using many mathematical operations, very long random variable names and other content encoded in Base64 format. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Malware 85

Malware Antivirus Advertising Encryption 85

Security Affairs

MAY 29, 2019

su”, using an SSL encrypted communication, and stores them in “C:UsersPublic” path: “ rtegre.exe ” and “ wprgxyeqd79.exe Analyzing it in depth, we discover it actually is the RMS (Remote Manipulator System) client by TektonIT , encrypted using the MPress PE compressor utility, a legitimate tool, to avoid antivirus detection.

Retail 69

Retail Banking Advertising Encryption 69

Krebs on Security

DECEMBER 29, 2022

Here’s a look at some of the more notable cybercrime stories from the past year, as covered by KrebsOnSecurity and elsewhere. This bold about-face dumbfounded many longtime Norton users because antivirus firms had spent years broadly classifying all cryptomining programs as malware.

Cryptocurrency 233

Cryptocurrency Cybercrime Computers and Electronics Scams 233

Security Affairs

APRIL 10, 2019

That file was delivered via malscam campaigns around the world and its source-code is obfuscated in order to evade antivirus detection and complicate its analysis. Data includes date/hour of infection , remote IP from victim’s computer , OS version and antivirus name. Figure 16: EMOTET collects antivirus product name via WMI query.

Banking 61

Banking Malware Antivirus Cyber threats 61

Malwarebytes

APRIL 5, 2023

According to the Data Quality Campaign , 45 states and Washington, DC, enacted new student privacy laws between 2014 and 2020. Most states require strong data privacy controls, which typically include encrypting any sensitive personal information of staff and students. Secure data storage is also a requirement of FERPA.

Education 61

Education Ransomware Cybersecurity Risk 61

SecureList

NOVEMBER 26, 2021

While the MBR infection has been known since at least 2014, details on the UEFI bootkit were publicly revealed for the first time in our private report on FinSpy. The attack is estimated to have resulted in the encryption of files belonging to around 60 Kaseya customers using the on-premises version of the platform. In version 16.80.0

Malware 86

Malware Banking Energy and Utilities Accountability 86

SecureList

APRIL 27, 2021

It was first publicly documented in 2014, in the aftermath of the Gamma Group hacking incident. The contents are disguised as GIF image files, but contain encrypted commands from the C2 server and command execution results. The samples were compiled in 2014 and, accordingly, were likely deployed in 2014 and possibly as late as 2015.

Malware 138

Malware Spyware Government Social Engineering 138