system_firefoxupdateweb.exe

True Street

The application system_firefoxupdateweb.exe by True Street has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup and installation application and has been known to bundle potentially unwanted software. The file has been seen being downloaded from files4.download25.info.
Publisher:
Swift Guarded Installation  (signed by True Street)

Product:
Swift Guarded Installation

Version:
92.7.9.5893

MD5:
40c0d4a40bfd7cbd683d9df7fc6e3ab6

SHA-1:
509f3774275c14b1a0503673c0b46a09bd5d4326

SHA-256:
5f97edededb71297ef1cf32321358e6ed87fd95b851b031610841a370e23d4e7

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/28/2024 5:29:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TomorrowSoftware.TrueStre.Installer (M)
16.6.13.12

File size:
879.3 KB (900,400 bytes)

Product version:
92.7.9.5893

Copyright:
Copyright (C) 2015

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\ProgramData\optimizer\program\system_firefoxupdateweb.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
7/6/2015 4:00:00 AM

Valid to:
7/6/2016 3:59:59 AM

Subject:
CN=True Street, O=True Street, L=San Francisco, 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:
648D4F35C71D46404710ADE7005596F8

File PE Metadata
Compilation timestamp:
8/22/2014 6:37:55 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:qe5157TJgLVb0Z5C9QXoWn+t9b8hXdLaX:Z515fJgLVb0ZwEog+78hk

Entry address:
0xD022

Entry point:
E8, 3C, 05, 00, 00, E9, 57, FD, FF, FF, CC, CC, CC, CC, 51, 8D, 4C, 24, 04, 2B, C8, 1B, C0, F7, D0, 23, C8, 8B, C4, 25, 00, F0, FF, FF, 3B, C8, 72, 0A, 8B, C1, 59, 94, 8B, 00, 89, 04, 24, C3, 2D, 00, 10, 00, 00, 85, 00, EB, E9, 8B, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A3, 38, 5C, 41, 00, 89, 0D, 34, 5C, 41, 00, 89, 15, 30, 5C, 41, 00, 89, 1D, 2C, 5C, 41, 00, 89, 35, 28, 5C, 41, 00, 89, 3D, 24, 5C, 41, 00, 66, 8C, 15, 50, 5C, 41, 00, 66, 8C, 0D, 44, 5C, 41, 00, 66, 8C, 1D, 20, 5C, 41, 00, 66, 8C, 05, 1C...
 
[+]

Entropy:
7.9564  (probably packed)

Code size:
53.5 KB (54,784 bytes)

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

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