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Tags: server   cron  
Link: 🔍 See Original Answer on Ask Ubuntu 🔗

Title: Ubuntu Server 16.04 unusual crontab entry
ID: /2019/10/12/Ubuntu-Server-16.04-unusual-crontab-entry
Created: October 12, 2019
Upload: November 24, 2022    Layout:  post
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As stated in comments you have a virus installed by crypto miner. This tells you how to remove it: [Watchbog Vulnerability][1]

To summarize the steps:

crontab –r
ls /var/spool/cron/crontabs
pip uninstall urllib2
apt-get remove --auto-remove curl
apt-get remove --auto-remove wget
crontab -r
while true ; do killall watchbog ; done
sudo passwd root

Read the entire link for step by step details and to verify you have this virus in the first place. [1]:

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