Inst xxd [2:8.0.1453-1ubuntu1] (2:8.0.1453-1ubuntu1.1 Ubuntu:18.04/bionic-updates, Ubuntu:18.04/bionic-security [amd64])
According to Reddit user u/normal_rc, electrum's wallet was hacked and nearly 250 bitcoins (243.6 BTCs, nearly $1 million) were maliciously stolen, according to coinelegraph. Electrum then confirmed that the attack included creating a fake version of the wallet to trick users into providing password information. Electrum responded on Twitter that "this is a persistent phishing attack on Electrum users" and warned users not to download Electrum from any source other than the official website.
In a forum post on Bitcointalk, website administrator Theymos explained: "If at any time in the past you've logged in to Electrum without a wallet password and opened a web page, your wallet might have been stolen." Particularly paranoid people may want to send all bitcoins (BTCs) from their old Electrum wallets to the newly generated Electrum wallet. "
electrum ubuntu 15.10
Electrum - Lightweight Bitcoin client.
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For example, on my Intel NUC, I have two disks. The first disk has Ubuntu 19.10, and I installed Ubuntu 18.04 on top of it. The second operating system (Ubuntu 18.04) installed its own grub, and now the grub boot screen is controlled by Ubuntu 18.04 grub.
According to Bleeping Computer, the Bitcoin wallet app Electrom was on GitHub on May 9th, accusing a phishing product called Electrum Pro of stealing a user's seed key and registering a domain name called electrum without Electrum's permission. The Electrum team noted that there was a piece of code indicating that the counterfeit product might have taken the user's seed key and uploaded it to the electrum. Affected users should transfer funds from Bitcoin URLs managed by Eletrum Pro.
EOS last traded at $14.50, up $15.10, with a low of $13.40 and a volume of $10.09 million, down 0.36 percent
Inst libitm1 [8.2.0-1ubuntu2~18.04] (8.3.0-6ubuntu1~18.04.1 Ubuntu:18.04/bionic-updates, Ubuntu:18.04/bionic-security [amd64]) 
Dash releases Dash Electrum 18.104.22.168 version
Installed in Ubuntu 18.04, Ubuntu 18.10.
Recommendation: Ubuntu 18.04 LTS Minimum Requirements: Ubuntu 16.04 LTS recommends a newly installed system.
I recommend reading this tutorial for upgrading the Ubuntu version. It was originally designed to upgrade Ubuntu 16.04 to Ubuntu 18.04.
The Electrum development team also warned them that they had nothing to do with a project called Electrum Dark: they used our name without our permission. Be careful with the altcoin version of Electrum, as they are sometimes used as vectors to install malware against your real Bitcoin wallet.
The Healthy Security Lab is concerned that Nearly 250 bitcoins have been stolen in a recent hacking attack on an Electrum wallet. This attack, confirmed by Electrum, involves creating a fake version of the wallet to trick users into providing password information. Electrum responded on Twitter that it was an ongoing phishing attack on Electrum users and advised them to download wallets from the official website.
Existing Ubuntu 19.04 should see a message to upgrade to Ubuntu 19.10.
Bitcoin Wallet providers like Trezor and Electrum.