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PDF_MALPHISH.AUSUI

March 15, 2017
 ALIASES:

PHISH/Agent.2981 (Avira); Trojan.Win32.Pdfmayphish (Ikarus); Trojan:Win32/Pdfmayphish.B (Microsoft); Trojan.Pdfmayphish!8.E11F (Rising)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

However, as of this writing, the said sites are inaccessible.

  TECHNICAL DETAILS

File Size:

147,550 bytes

File Type:

PDF

Memory Resident:

No

Initial Samples Received Date:

15 Mar 2017

Arrival Details

This malware arrives via the following means:

  • This malware is attached in an email dropped by TROJ_MDROPPER.AUSHV.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}upport.net/wp-includes/images/

However, as of this writing, the said sites are inaccessible.

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

13.276.09

FIRST VSAPI PATTERN DATE:

15 Mar 2017

VSAPI OPR PATTERN File:

13.277.00

VSAPI OPR PATTERN Date:

16 Mar 2017

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

Identify and terminate files detected as PDF_MALPHISH.AUSUI

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 3

Close all opened browser windows

Step 4

Scan your computer with your Trend Micro product to clean files detected as PDF_MALPHISH.AUSUI. 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 this Knowledge Base page for more information.


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