COINMINER_COINHIVE.E-JS
HEUR:Trojan.Script.Generic (Kaspersky)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Coinminer
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
This Coinminer arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be hosted on a website and run when a user accesses the said website.
This malicious script runs on web browsers, which may be installed on any operating system.
TECHNICAL DETAILS
Arrival Details
This Coinminer arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
It may be hosted on a website and run when a user accesses the said website.
Other Details
This Coinminer does the following:
- It connects to the following URLs as part of its Coin Mining Routine:
- https://www.{BLOCKED}cu.{BLOCKED}ad/lib/worker-asmjs.min.js
- https://www.{BLOCKED}cu.{BLOCKED}ad/captcha/
- https://www.{BLOCKED}cu.{BLOCKED}ad/media/miner.html
- https://{BLOCKED}mine.com/authenticate.html
- wss://{BLOCKED}1.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}2.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}3.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}4.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}5.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}6.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}7.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}8.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}9.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}0.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}1.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}2.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}3.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}4.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}5.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}6.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}7.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}8.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}9.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}0.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}1.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}2.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}3.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}4.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}5.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}6.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}7.www.{BLOCKED}cu.download/proxy
- wss://{BLOCKED}8.www.{BLOCKED}cu.download/proxy
- It uses the system's central processing unit (CPU) resources to mine cryptocurrency. This behavior makes the system run abnormally slow.
This malicious script runs on web browsers, which may be installed on any operating system.
SOLUTION
Step 1
Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.
Step 2
Close all opened browser windows
Step 3
Scan your computer with your Trend Micro product to delete files detected as COINMINER_COINHIVE.E-JS. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
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