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usts diagnostic.exe

US Tech Support LLC

The application usts diagnostic.exe by US Tech Support has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from download.ustechsupport.com.
Publisher:
US Tech Support LLC  (signed and verified)

MD5:
4ee500ee53f7ff1bf856695da62add20

SHA-1:
f90d7f9e74bfae659fdbe03c533502888e23a8ef

SHA-256:
bb29f7864b3daa04fb55f286ee9c090992ec3dff9a0dc71696675c32d9377d85

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 8:13:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Optional.USTechSupport.P
14.11.14.21

File size:
1.3 MB (1,340,136 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\usts diagnostic.exe

Digital Signature
Signed by:
US Tech Support LLC

Authority:
VeriSign, Inc.

Valid from:
7/28/2014 7:00:00 PM

Valid to:
8/27/2016 6:59:59 PM

Subject:
CN=US Tech Support LLC, O=US Tech Support LLC, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6C66340872D59F21271BCFD88768E727

File PE Metadata
Compilation timestamp:
10/15/2014 11:42:19 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:yNpYYG3oFoJAAhFq6UeCHMYcGn9X7RDbtCQiMoBJ88xX8ZcHJ2Yy/mjQrs:0pYz3oDAt9Wn9NDb4QiFPphYrs

Entry address:
0x14BFD

Entry point:
E8, 11, 91, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, F8, 52, 43, 00, E8, 9D, 53, 00, 00, E8, B2, 2D, 00, 00, 0F, B7, F0, 6A, 02, E8, A4, 90, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 60, 72, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
4.5055

Code size:
168.5 KB (172,544 bytes)

The file usts diagnostic.exe has been seen being distributed by the following URL.

http://download.ustechsupport.com/.../USTS Diagnostic.exe

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