Krebs on Security

SEPTEMBER 30, 2023

The government says Snatch used a customized ransomware variant notable for rebooting Microsoft Windows devices into Safe Mode — enabling the ransomware to circumvent detection by antivirus or endpoint protection — and then encrypting files when few services are running. Details after contacting on jabber: truniger@xmpp[.]jp.”

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Ransomware Accountability Cybercrime Backups 278

Security Affairs

APRIL 30, 2021

The weaponized RTF documents generated with the exploit builder are able to trigger the CVE-2017-11882 , CVE-2018-0798 , CVE-2018-0802 vulnerabilities in Microsoft’s Equation Editor. This tool was widely adopted by several China-linked threat actors, including Tick , Tonto Team and TA428. ” continues the report.

Phishing 141

Phishing Malware Encryption Antivirus 141

Security Affairs

JANUARY 31, 2020

“In July 2018, we succeeded in decrypting encrypted communication with an infected server and an external server that was performing unauthorized communication, and stored it on our internal server for information sharing with other departments used by our defense business division 27,445 files were found to have been accessed illegally.

Advertising 135

Advertising Data breaches Antivirus Encryption 135

Security Affairs

MARCH 19, 2019

rar) spread by #WinRAR exploit ( #CVE -2018-20250). The vulnerability, tracked as CVE-2018-20250, was discovered by experts at Check Point in February, it could allow an attacker to gain control of the target system. At the moment of writing, 29 antivirus engines detect JNEC.a Possibly the first #ransomware (vk_4221345.rar)

Ransomware 103

Ransomware Antivirus Encryption Advertising 103

Malwarebytes

NOVEMBER 16, 2021

This Android app, purported as a secure messaging application that uses end-to-end encryption, is the latest ruse cybercriminals put upon smartphone users, particularly those based in India, to infect their devices with GravityRAT, a piece of malicious software that is known to spy on people and steal their data.

Malware 143

Malware Encryption Media Marketing 143

Security Affairs

APRIL 27, 2020

Unlike other ransomware strains that don’t encrypt victims in Russia and other CIS countries, Shade also targets computers in Russia and Ukraine. We are also publishing our decryption soft; we also hope that, having the keys, antivirus companies will issue their own more user-friendly decryption tools.”

Ransomware 145

Ransomware Advertising Antivirus Education 145

Security Affairs

JUNE 11, 2021

million Windows systems between 2018 and 2020. The software includes illegal Adobe Photoshop 2018, a Windows cracking tool, and several cracked games.” Researchers from NordLocker have discovered an unsecured database containing 1.2-terabyte terabyte of stolen data. Threat actors used custom malware to steal data from 3.2

Malware 128

Malware Computers and Electronics Software Financial Services 128

Security Affairs

JANUARY 8, 2021

“The loader decrypts the malicious malware and executes it using memfd create (as described in this blog in 2018). Upon executing the code, it will ask the user the path for the payload to be encrypted and the password to be used for AES encryption to hide the malware within the loader. ” concludes the report.

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Malware Encryption Passwords Antivirus 145

Krebs on Security

OCTOBER 21, 2019

Antivirus and security giant Avast and virtual private networking (VPN) software provider NordVPN each today disclosed months-long network intrusions that — while otherwise unrelated — shared a common cause: Forgotten or unknown user accounts that granted remote access to internal systems with little more than a password.

Accountability 162

Accountability VPN Software Antivirus 162

Security Affairs

AUGUST 3, 2020

The GandCrab ransomware-as-a-service first emerged from Russian crime underground in early 2018. The authors of the GandCrab RaaS also offers technical support and updates to its members, they also published a video tutorial that shows how the ransomware is able to avoid antivirus detection. Close of GandCrab Ransomware : 1-6-2019.

Ransomware 145

Ransomware Advertising Malware Hacking 145

Security Affairs

NOVEMBER 19, 2019

To bypass antivirus systems, hackers send out malicious emails in non-working hours with delayed activation. The second half of 2018 saw a drop in the number of malicious programs downloaded via browsers reaching its minimum at less than 5%, while in the first half of 2019 only every 19 th download was initiated via means other than email.

Ransomware 96

Ransomware Antivirus Malware Banking 96

Security Affairs

OCTOBER 17, 2018

At a first sight, the office document had an encrypted content available on OleObj.1 Those objects are real Encrypted Ole Objects where the Encrypted payload sits on “EncryptedPackage” section and information on how to decrypt it are available on “EncryptionInfo” xml descriptor. Stage1: Encrypted Content.

Malware 111

Malware Computers and Electronics Encryption Penetration Testing 111

CyberSecurity Insiders

SEPTEMBER 10, 2021

Presenting their find at the IEEE International Conference on Distributed Computing Systems in 2018, a team of researchers refined their invention even further that led to the innovation of a firmware that blocks ransomware from encrypting data on a computer network.

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Ransomware Firmware Antivirus Encryption 92

The Last Watchdog

AUGUST 15, 2019

Related: ‘Cyber Pearl Harbor’ happens every day Some 15 months earlier, in March 2018, Atlanta was hit by a similar assault, and likewise refused to pay a $51,000 ransom, eating $17 million in damage. It then uses strong encryption, requiring a decryption key for which the victim must pay a ransom, most often in Bitcoin.

Ransomware 196

Ransomware Internet Internet Hacking 196

Security Affairs

APRIL 2, 2021

The threat actors are actively exploiting the following vulnerabilities in Fortinet FortiOS: CVE-2018-13379 ; CVE-2020-12812 ; CVE-2019-5591. Install and regularly update antivirus and anti-malware software on all hosts. Any attempts to install or run this program and its associated files should be prevented.

Government 102

Government Passwords Accountability Firmware 102

CyberSecurity Insiders

JANUARY 6, 2023

First launched in 2004 and updated most recently in 2018, the PCI Data Security (PCI DSS) standard is continually updated to reflect the evolving challenges of the cyberthreat landscape. Requirement 4: Less specificity on the type of encryption used means your organization is freer to follow industry best practices. and PCI v4.0:

Antivirus 138

Antivirus Retail Software Accountability 138

eSecurity Planet

MARCH 1, 2023

To prevent unwanted access and protect data in transit, wireless connections must be secured with strong authentication procedures, encryption protocols, access control rules, intrusion detection and prevention systems, and other security measures. As a result, wireless networks are prone to eavesdropping, illegal access and theft.

Wireless 98

Wireless Encryption Authentication IoT 98

Security Affairs

JULY 25, 2019

“We have discovered a new version of WatchBog—a cryptocurrency-mining botnet operational since late 2018—that we suspect has compromised more than 4,500 Linux machines in newer campaigns taking place since early June.” ” reads a blog post published by Intezer. ” continues the analysis.

Cryptocurrency 101

Cryptocurrency Internet Internet Malware 101

Spinone

NOVEMBER 11, 2018

With every new type of crypto or locker , the hash sum is changed, so an antivirus that is effective against one malware family will be ineffective a few months later against another type of ransomware. Here is a step-by-step sequence of the Google Drive encryption process and the Spinbackup Ransomware Protection flow.

Ransomware 40

Ransomware Backups Encryption Antivirus 40

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. . The group that has been active since late 2015 targeted businesses worldwide to steal payment card information.

Identity Theft 103

Identity Theft Hacking Advertising DNS 103

Security Affairs

SEPTEMBER 15, 2019

” The Astaroth Trojan was first spotted by security firm Cofense in late 2018 when it was involved in a campaign targeting Europe and Brazil. According to the experts, LOLbins are very effecting in evading antivirus software. . This trick allows the attackers to bypass content filtering and other network security measures.

Phishing 107

Phishing Malware Network Security Encryption 107

eSecurity Planet

FEBRUARY 15, 2022

The ransomware encrypts files on compromised Windows host systems, including physical and virtual servers, the advisory noted, and the executable leaves a ransom note in all directories where encryption occurs, including ransom payment instructions for obtaining a decryption key.

Ransomware 128

Ransomware Encryption Backups Accountability 128

eSecurity Planet

FEBRUARY 16, 2021

All of your files are encrypted with RSA-2048 and AES-128 ciphers.” ” Or you might see a readme.txt stating, “Your files have been replaced by these encrypted containers and aren’t accessible; you will lose your files on [enter date] unless you pay $2500 in Bitcoin.” IMPORTANT INFORMATION !!!

Ransomware 97

Ransomware Backups Software Encryption 97

SiteLock

AUGUST 27, 2021

After an unsuspecting victim opens a malicious email or visits an infected site, ransomware begins to encrypt critical files hosted on the victim’s local machine. In fact, Ponemon Institute reported that 73% of small businesses that suffered a ransomware attack in 2018 did not pay the ransom because. they had a full backup.

Ransomware 98

Ransomware Small Business Backups Encryption 98

eSecurity Planet

APRIL 26, 2022

Company Sector Year Status Vicarius Vulnerability management 2022 Private Dragos ICS and OT security 2021 Private Safeguard Cyber Risk management 2021 Private CyberGRX Risk management 2019 Private Signifyd Fraud protection 2018 Private RedOwl Security analytics 2015 Acquired: Forcepoint. Accel Investments. Andreessen Horowitz (a16z).

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Cybersecurity Technology Marketing Healthcare 128

SC Magazine

JUNE 25, 2021

That represents a 340% increase year-over-year, a 415% increase since 2018 and accounted for about 4% of the more than 6.3 Still, Todd Moore, vice president of encrypted solutions at cloud, data and software security firm Thales Group, said there are likely many different ways hackers could make use of stolen data.

Computers and Electronics 121

Computers and Electronics Media Marketing Cryptocurrency 121

Security Affairs

APRIL 16, 2019

The malware spreads via Trojanized applications disguised as cracked software, or applications posing as legitimate software such as video players, drivers or even antivirus software. According to the experts, the operation is in a consolidation stage, first samples date back to November 2018, with a massive spike in December and January.

Spyware 102

Spyware Adware Malware Accountability 102

Security Affairs

FEBRUARY 7, 2019

The server responds to this request sending encrypted data, as show in the following figure. Part of network traffic containing some encrypted data. If the check is positive, the script will download an EXE payload from [link] , store it in %TEMP%Twain001.exe exe and then execute it. Ursnif loader detection rate. Conclusions.

Banking 111

Banking Malware Advertising Encryption 111

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. The latter leverages the WinRar/Ace vulnerability ( CVE-2018-20250 ) dropping the malware itself into the Windows startup folder.

Banking 92

Banking Malware Antivirus Cyber threats 92

eSecurity Planet

DECEMBER 30, 2020

Endpoint Encryption . While the latest patches for antivirus software require time-sensitive management, your SECaaS automatically covers these updates on all of your devices. Notable examples of this convergence occurred in 2018 when AT&T acquired AlienVault and in 2020 when Accenture acquired Symantec.

Penetration Testing 117

Penetration Testing Cybersecurity Antivirus Network Security 117

SecureList

OCTOBER 25, 2023

It comes equipped with a built-in TOR network tunnel for communication with command servers, along with update and delivery functionality through trusted services such as GitLab, GitHub, and Bitbucket, all using custom encrypted archives. on January 9, 2018, after hovering around $10 in 2017. As of 2023, it is trading at around $150.

Malware 145

Malware DNS Encryption Ransomware 145

SecureList

DECEMBER 1, 2023

For most implants, the threat actor uses similar implementations of DLL hijacking (often associated with ShadowPad malware) and memory injection techniques, along with the use of RC4 encryption to hide the payload and evade detection. libssl.dll or libcurl.dll was statically linked to implants to implement encrypted C2 communications.

Malware 139

Malware Ransomware Encryption Energy and Utilities 139

Security Affairs

AUGUST 20, 2018

During the analysis time, only really few Antivirus (6 out of 60) were able to “detect” the sample. AntiVirus Coverage. The used encryption algorithm is AES and everything we need to decrypt is in this file, so let’s build up a simple python script to print our decryption parameters.

Engineering 75

Engineering Malware Computers and Electronics Penetration Testing 75

SecureList

MARCH 1, 2021

Users attacked by adware in 2018 through 2020 ( download ). variant has been known since 2018, and we have never once had to adjust the process of detecting it in almost three years. Individuals who generate that many installation packages are obviously not worried about antivirus software. Where did these come from?

Mobile 145

Mobile Malware Adware Banking 145

Spinone

JANUARY 22, 2020

Although at the end of the 2018 ransomware seemed to be slowing its pace on the cyber threat arena, 2019 has shown that this slowdown wasn’t anything but “the calm before the storm” Ransomware statistics for 2019 vividly illustrated the rapid growth of high-profile ransomware attacks and new, more disrupting ransomware examples.

Ransomware 64

Ransomware Encryption Backups Phishing 64

eSecurity Planet

JUNE 8, 2023

However, adoption of these protocols should be a priority for growing organizations and is already a federal requirement since 2018 as part of the Department of Homeland Security (DHS) 18-01 binding operational directive. Encrypted email Despite many advancements in email tools, the email format itself remains a text-based protocol.

Firewall 80

Firewall DNS Authentication Malware 80

Security Affairs

MARCH 2, 2019

This technology is stored in the Workbook OLE stream in Excel 97-2003 format which makes it very difficult to detect and parse by antivirus (AV) engines. doc and.xlm) to evade antivirus detection and bypass spam filters as well. That malware is known as FlawedAmmyy RAT and was discovered by Proofpoint researchers in March 2018.

Malware 109

Malware Antivirus Technology Phishing 109