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Beware of ACH Malicious Email - "Blocked Transaction. Case No"

Beware of ACH Malicious Email - "Blocked Transaction. Case No"

Online users who have received fake ACH (Automated Clearing House) email messages with the subject: "Blocked Transaction. Case No," should delete them. This is because the fake email messages contain malicious attachments that will infect the recipients’ computers with a virus, spyware, Trojan horse or other malware, who attempt to open the malicious attachments. Remember, never open an email attachment that has a name ending with ".zip" from a suspicious email message or from an email message that you were not expecting. Automated Clearing House (ACH) is an electronic network for financial transactions in the United States. ACH processes large volumes of credit and debit transactions in batches.

Please continue reading below.

A Sample of the Malicious ACH Email Message

Subject: Blocked Transaction. Case No 40274320
Subject: Blocked Transaction. Case No 55875703
Subject: Blocked Transaction. Case No 19706002


The Automated Clearing House transaction (ID: 40274320), recently initiated from your online banking account, was rejected by the other financial institution.

Canceled ACH transaction
ACH file Case ID: 16888
Transaction Amount: 476,93 USD
Sender e-mail:
Reason of Termination: See attached statement

Click here for a list of email attachments that you should never open, regardless of where they came from.

Please share with us what you know or ask a question about this article by leaving a comment below. Also, check the comment section below for additional information, if there is any. And, forward malicious email messages to us using the following email address: .

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