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 127

Malware Encryption Media Marketing 127

Security Affairs

SEPTEMBER 20, 2020

Once gained the foothold in the target network, the attackers will attempt lateral movements to elevate the privileges and search for high-value machines to encrypt (i.e. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. backup servers, network shares, servers, auditing devices). Pierluigi Paganini.

Education 145

Education Ransomware Antivirus Backups 145

Security Affairs

JULY 1, 2019

Even if the activity of Dridex decreased in the last couple of years, crooks continued to updates it adding new features such the support of XML scripts, hashing algorithms, peer-to-peer encryption, and peer-to-command-and-control encryption. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Banking 77

Banking Antivirus Advertising Encryption 77

Security Affairs

AUGUST 26, 2019

The name of the ransomware comes after the extension it adds to the encrypted file names, the malicious code also deletes their shadow copies to make in impossible any recovery procedure. Below the ransom note dropped by the Nemty ransomware after the encryption process is completed. ” continues BleepingComputer.

Ransomware 91

Ransomware Malware Antivirus Encryption 91

CyberSecurity Insiders

JANUARY 6, 2023

Requirement 4: Less specificity on the type of encryption used means your organization is freer to follow industry best practices. Requirement 5: It is no longer sufficient to just have standard antivirus software. Below is a high-level overview of the differences between PCI v3.2.1 and PCI v4.0: Follow Tyler Reguly on Twitter.

Antivirus 138

Antivirus Retail Software Accountability 138

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. 7 SP1, 8, 8.1) 7 SP1, 8, 8.1)

Ransomware 117

Ransomware Encryption Backups Accountability 117

Security Affairs

SEPTEMBER 28, 2020

“When the attack happened multiple antivirus programs were disabled by the attack and hard drives just lit up with activity. ” Some reports circulating online reveal that the ransomware added the “ ryk” extension to the filenames of encrypted documents, a circumstance that confirms a Ryuk ransomware infection.

Ransomware 116

Ransomware Healthcare Advertising Antivirus 116

Security Affairs

JANUARY 31, 2020

Ryuk infects computers by encrypting all local and shared files, not allowing the user’s access without paying the ransom. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. This enhancement appeared in the middle of September 2019. DOWNLOAD FULL REPORT. For additional technical studies, visit Cipher Labs.

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Malware Retail Advertising Antivirus 109

Security Affairs

MARCH 19, 2020

” According to the experts, the first infections were observed in late 2019, victims reported their files were encrypted by a strain of malware. locked to the filename of the encrypted files. “On one of the compromised information systems, experts found encrypted files with the extension “ newversion.”

Government 106

Government Ransomware Encryption Penetration Testing 106

Security Affairs

MARCH 19, 2019

The ransomware encrypts data on the victim’s machine and appends the.Jnec extension to the encrypted data asking a ransom 0.05 ransomware still has a low detection rate , it was identified as malicious by 31/71 antivirus of the VirusTotal services. At the moment of writing, 29 antivirus engines detect JNEC.a

Ransomware 72

Ransomware Antivirus Encryption Advertising 72

Security Affairs

NOVEMBER 5, 2020

’ In a first attack scenario, hackers leverage a Microsoft antivirus component to load mpsvc.dll that acts as a loader for Groza_1.dat. The attackers use a simple XOR encryption algorithm with the string “Hapenexx is very bad” as a key. “In both of these cases, the payload is stored in the file named Groza_1.dat.

Encryption 109

Encryption Malware Advertising Antivirus 109

Security Affairs

SEPTEMBER 23, 2020

Even today, less than half of the known antivirus engines are flagging the infection on VirusTotal , as observed by BleepingComputer: The APT28 group (aka Fancy Bear , Pawn Storm , Sofacy Group , Sednit , and STRONTIUM ) has been active since at least 2007 and it has targeted governments, militaries, and security organizations worldwide.

Antivirus 109

Antivirus Government Malware Advertising 109

Security Affairs

JULY 11, 2019

The ransomware , tracked by Intezer as “ QNAPCrypt ” and “ eCh0raix ” by Anomali , is written in the Go programming language and uses AES encryption to encrypt files. encrypt extension to filenames of encrypted files. encrypt extension to the encrypted files.” onion websites.

Ransomware 89

Ransomware Encryption Malware Advertising 89

Security Affairs

NOVEMBER 18, 2019

NextCry is a new ransomware that was spotted by researchers while encrypting data on Linux servers in the wild. T he name comes from the extensions the ransomware appends to the filenames of encrypted files. The malicious code targets Nextcloud instances and it is currently undetected by antivirus engines. ” said xact64.

Ransomware 76

Ransomware Encryption Malware Advertising 76

CyberSecurity Insiders

MAY 31, 2023

It was first released in July 2014 as “xRAT” and renamed to “Quasar” in August 2015. Due to its relatively large size, certain antivirus may choose not to analyze it, potentially bypassing detection. Antivirus / EDR evasion: The rootkit uses several evasion techniques: AMSI bypass: PowerShell inline script patches “amsi.dll!AmsiScanBuffer”

Malware 117

Malware Antivirus Encryption Advertising 117

Security Affairs

MARCH 21, 2019

Note that ransomware is probably detected during antivirus behavioral analysis — heuristic and signature-based detection are easily passed. Another interesting thing is that the ransomware sample launches itself with the -w argument and also spawned a new process for each file it encrypted. locker ” is appended. Let’s look.

Ransomware 91

Ransomware Encryption Antivirus Malware 91

Security Affairs

OCTOBER 30, 2019

Researchers at Emsisoft firm has released a new free tool to decrypt files encrypted by the Paradise ransomware. Security experts at Emsisoft have developed a tool to decrypt files encrypted by the Paradise ransomware. This ransomware family encrypts files using Salsa20 and RSA-1024 and it appends several extensions to theis filenames.

Ransomware 42

Ransomware Encryption Advertising Antivirus 42

Security Affairs

DECEMBER 9, 2019

Experts from Antivirus maker Emsisoft discovered a bug in the decrypter app of the infamous Ryuk ransomware. megabytes) it will only encrypt certain parts of it in order to save time and allow it to work its way through the data as quickly as possible before anyone notices.” ” reads the post published by Emsisoft.

Ransomware 59

Ransomware Encryption Backups Advertising 59

Security Affairs

JUNE 12, 2019

The flaw could be exploited by malicious programs trigger a denial of service condition by interrupting the encryption service for other programs. Obviously, lots of software that processes untrusted content (like antivirus) call these routines on untrusted data, and this will cause them to deadlock.”

Encryption 71

Encryption Advertising Antivirus Hacking 71

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.” Pierluigi Paganini.

Ransomware 119

Ransomware Advertising Antivirus Education 119

SecureList

OCTOBER 23, 2023

The HTML page hosted on that URL contains obfuscated JavaScript code of the NaCl cryptography library, as well as an encrypted payload. After running the validator, it encrypts and sends all collected information to another unique URL on backuprabbit[.]com Again, they have a configuration that is encrypted. com domain.

Encryption 117

Encryption Mobile Media Antivirus 117

eSecurity Planet

JUNE 16, 2022

Cyber criminals may damage, destroy, steal, encrypt, expose, or leak data as well as cause harm to a system. Also read: Best Antivirus Software of 2022. Encrypted threats spiked 167%, ransomware increased 105%, and 5.4 In 2015, global cyber crime had a cost of about $3 trillion, and the cost is expected to rise to $10.5

Backups 141

Backups Ransomware Firewall Malware 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.

Data breaches 94

Data breaches Advertising Antivirus Encryption 94

Security Affairs

FEBRUARY 17, 2019

Adiantum will bring encryption on Android devices without cryptographic acceleration. Astaroth Trojan relies on legitimate os and antivirus processes to steal data. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. 20% discount. Kindle Edition. Paper Copy. Once again thank you!

Advertising 69

Advertising Antivirus Malware Backups 69

eSecurity Planet

NOVEMBER 2, 2022

Though polite, the Creeper was still an annoyance to some, and in 1971, Ray Tomlinson developed the first antivirus software , called Reaper. One of the first pieces of antivirus software , McAfee’s VirusScan, was released in 1987. It also would actively shut down antivirus processes to evade detection and removal.

Malware 138

Malware Ransomware Antivirus Internet 138

Security Affairs

MARCH 29, 2019

Sha256 4ede0d4787f2e5bc471de3490e5c9327b459985530e42def9cf5d94ea4c2cb2b Threat Qrypter-encrypted jRAT Brief Description Jar file contains jRAT Ssdeep 12288:vimJ+fjGuiwDBA19F7/8fDFsJTVjODmYae:vimkiwDB6z8fZsN3Yae. Encrypted file content. Encryption key used to decrypt all the other files. Technical Analysis. So, the “p14605.class”

Malware 86

Malware Encryption Advertising Engineering 86

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 71

Ransomware Antivirus Malware Banking 71

Security Affairs

AUGUST 3, 2020

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. ransom amount, individual bots and encryption masks). Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Ransomware 117

Ransomware Advertising Malware Hacking 117

eSecurity Planet

AUGUST 26, 2022

Whereas older solutions like antivirus, firewalls, and endpoint detection and response (EDR) have long focused on threats at the network perimeter, the intent of NDR is to monitor and act on malicious threats within organization networks using artificial intelligence (AI) and machine learning (ML) analysis. billion in 2016.

Artificial Intelligence 106

Artificial Intelligence Network Security Firewall Architecture 106

Security Affairs

MARCH 10, 2020

Once encrypted files with the ransomware, threat actors were also infected by banking Trojans like Dridex trojan, a circumstance that suggests this malware was used as the initial attack vector. . In many cases, some machines run without standard safeguards, like security updates and cloud-delivered antivirus protection.”

Ransomware 115

Ransomware Cybercrime Social Engineering Banking 115

Security Affairs

MAY 30, 2020

Encryption. You and your partners can cipher all TLS (the successor to SSL) transfers, be it one-way encryption (also called standard one-way TLS) or even better, shared encryption (two-way TLS). Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. Just be cryptic. Call Security Experts.

Authentication 115

Authentication Firewall Encryption Passwords 115

Security Affairs

JANUARY 29, 2021

The activity of the Zinc APT group, aka Lazarus, surged in 2014 and 2015, its members used mostly custom-tailored malware in their attacks. In one case, attackers attempted to exploit, without success, the CVE-2017-16238 vulnerability in a vulnerable driver for the antivirus product called Vir.IT

Malware 115

Malware Antivirus Hacking Accountability 115

Security Affairs

OCTOBER 12, 2019

The group that has been active since late 2015 targeted businesses worldwide to steal payment card information. “The first of FIN7’s new tools is BOOSTWRITE – an in-memory-only dropper that decrypts embedded payloads using an encryption key retrieved from a remote server at runtime. Pierluigi Paganini.

Identity Theft 75

Identity Theft Hacking Advertising DNS 75

Security Affairs

SEPTEMBER 15, 2019

According to the experts, LOLbins are very effecting in evading antivirus software. . The C2 data are encoded in base64 format as well as custom encrypted, attackers inserted them within posts on Facebook or the profile information about user accounts on YouTube. continues the researchers. Pierluigi Paganini.

Phishing 82

Phishing Malware Encryption Network Security 82

Security Affairs

AUGUST 23, 2018

The campaign appears as targeted and well-planned, crooks targeted several enterprises and encrypted hundreds of PC, storage and data centers in each infected company. Experts highlighted that the encryption scheme of the Ryuk ransomware was built specifically for small-scale operations. ” continues the report. Check Point says.

Ransomware 41

Ransomware Encryption Backups Advertising 41

eSecurity Planet

FEBRUARY 8, 2021

PoSeidon malware, discovered by Cisco researchers in 2015, installs a keylogger and searches the POS device’s memory for number sequences that match credit card data — then uploads that data to an exfiltration server. Multi-factor authentication is also required for remote access. Three steps to an ideal POS security solution.

Retail 52

Retail Encryption Malware Artificial Intelligence 52

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 87

Malware Computers and Electronics Encryption Penetration Testing 87