Watering Hole Attack Targets EmEditor Users with Information-Stealing Malware


In late December 2025, EmEditor, a highly extensible and widely used text, code, and CSV editor developed by U.S.-based Emurasoft, published a security advisory warning users that its download page had been compromised. The attackers’ objective was to distribute a compromised version of the program to unsuspecting users.

EmEditor has longstanding recognition within Japanese developer communities as a recommended Windows-based editor. This suggests that the attackers are targeting this specific user base, or that they have a particular target among EmEditor users and used the compromised download page as delivery mechanism.

Read more…
Source:  Trend Micro


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Snapd Flaw Lets Attackers Gain Root Access On Linux Systems

    February 13, 2019

    Ubuntu and some other Linux distributions suffer from a severe privilege escalation vulnerability that could allow a local attacker or a malicious program to obtain root privileges and total control over the targeted system. Dubbed “Dirty_Sock” and identified as CVE-2019-7304, the vulnerability was discovered by security researcher Chris Moberly, who privately disclosed it to Canonical, the maker ...

  • Trickbot Adds Remote Application Credential-Grabbing Capabilities to Its Repertoire

    February 12, 2019

    In November 2018, we covered a Trickbot variant that came with a password-grabbing module, which allowed it to steal credentials from numerous applications. In January 2019, we saw Trickbot (detected as TrojanSpy.Win32.TRICKBOT.AZ and Trojan.Win32.MERETAM.AD) with new capabilities added to its already extensive bag of tricks. Its authors clearly aren’t done updating Trickbot — we recently found a ...

  • Windows App Runs on Mac, Downloads Info Stealer and Adware

    February 11, 2019

    EXE is the official executable file format used for Windows to signify that they only run on Windows platforms, and to serve as a security feature. By default, attempting to run an EXE file on a Mac or Linux OS will only show an error notification. However, we found EXE files in the wild delivering a ...

  • Banks Under Attack: Tactics and Techniques Used to Target Financial Organizations

    February 8, 2019

    US$100 – 300 billion: That’s the estimated losses that financial institutions can potentially incur annually from cyberattacks. Despite the staggering amount, it’s unsurprising — over the past three years, several banks suffered $87 million in combined losses from attacks that compromised their SWIFT (Society for Worldwide Interbank Financial Telecommunication)infrastructures. That’s just the tip of the iceberg: A ...

  • New macOS zero-day allows theft of user passwords

    February 6, 2019

    A German security researcher has published a video over the weekend showing a new zero-day affecting Apple’s macOS desktop operating system. In an interview to German tech site Heise, Linus Henze, the security researcher, says the vulnerability allows a malicious app running on a macOS system to get access to passwords stored inside the Keychain –the password management ...

  • Android Phones Can Get Hacked Just by Looking at a PNG Image

    February 6, 2019

    Using an Android device? Beware! You have to remain more caution while opening an image file on your smartphone—downloaded anywhere from the Internet or received through messaging or email apps. Yes, just viewing an innocuous-looking image could hack your Android smartphone—thanks to three newly-discovered critical vulnerabilities that affect millions of devices running recent versions of Google’s mobile ...