As of press time, phishing attacks that forged Electrum upgrade notifications have stolen at least 1,450 BTC (the number stolen is officially counted by a user, anti-malware companies Malwarebytes and Electrum), with a total value of approximately $11.6 million. It is worth mentioning that Electrum versions lower than 3.3.4 are vulnerable to such phishing attacks. Users who use Electrum wallets should update to the latest version Electrum 3.3.8 through the official website (electrum.org). At present, v4.0.0 has not been officially released. Version, please do not use the link in the prompt message to update, so as to avoid loss of assets
Bitcoin Future： electrum exchange rates
The Electrum team has announced the attack in an official tweet, saying that "this is an ongoing phishing attack on Electrum users" and reminding them to check the authenticity of the client's source before logging in. The team published its official website, and the Electrum clients downloaded elsewhere may be problematic.
Electrum is a world-renowned Bitcoin light wallet with a long history of multi-signature support and a very broad user base, many of which like to use Electrum as a cold wallet or multi-signature wallet for Bitcoin or even USDT (Omni). Based on this usage scenario, Electrum is used less frequently on the user's computer. The current version of Electrum is 3.3.8, and previous versions of 3.3.4 are known to have "message defects" that allow an attacker to send an "update prompt" through a malicious ElectrumX server. This "update tip" is very confusing to the user, and if you follow the prompt to download the so-called new version of Electrum, you may be tricked. According to user feedback, because of this attack, stolen bitcoins are in the four digits or more.
The latest version of Selectrum 4.0, the Bitcoin wallet, was released on Wednesday to increase support for the Bitcoin Lightning network. The service can be enabled through the Electrum application or through the command line interface. In an application, the user must search the Information section to open it. The new version of Electrum also supports "Submarine Swaps", allowing people to exchange bitcoins on the chain in exchange for a lightning version for a fee. (Decrypt)
Attackers reportedly created their own Electrum servers, which hosted the attacked version of Electrum in order to implement the attack. When the user will be vulnerable.
Electrum is a popular software wallet that works by connecting to a dedicated server. These servers receive a hash of the Bitcoin address in the wallet and reply with transaction information. Electrum Wallet is fast and has few resources, but by default, it connects to these servers and can easily monitor users. In addition to Electrum, some other software uses public Electrum servers. By 2019, it is a faster and better alternative to BIP37.
DeViable Security Labs hereby suggests that versions of Electrum below 3.3.4 are vulnerable to such phishing attacks, and users using Electrum Wallet are requested to update to the latest version of Electrum 3.3.8 via the official website (electrum.org), which has not yet been officially released, and do not use the link in the prompt to avoid asset losses.
In contrast, another wallet, Stratis Electrum, is a simplified trading client.
The UB team has now developed Core, Core-QT, Electrum Wallet (where Electrum is a lightweight wallet that supports multiple signatures) and released a complete blockchain browser. More than 18 trading platforms around the world support UBTC trading.
Core all-node interactions to get the history of your wallet in a private way. You can also choose to use the Electrum server, but you do not encourage regular users to use it. There are also plans to replace the Electrum interface with one that uses client block filtering.
As shown in Figure 2, it maps the processing elements required for 5G to a separate architecture with separate devices, including CPU SoCs, side-by-side FPGA acceleration, and antenna interfaces. This configuration reflects the use of optimized 5G.
Bitcoin Wallet Electrum Wallet was hacked and lost 1,450 BTCs.
UBTC Electrum client implements validation support for contract versions (test chain)
Researchers at the popular Bitcoin wallet app Electrum have uncovered a malicious shanzhai act aimed at stealing seed keys. The suspicious shanzhai wallet, called Electrum Pro, appeared online in March and has been labeled malware since.