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system_chromupdateweb.exe

Spiral Media

The application system_chromupdateweb.exe by Spiral Media has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Tomorrow Software Installer installer. The file has been seen being downloaded from files4.download25.info.
Publisher:
Premier Installer  (signed by Spiral Media)

Product:
Premier Installer

Version:
2.3.4.6

MD5:
c3895694dd0b3a5ce096242a3e46365c

SHA-1:
423e820e3a8c791fb006f337eefd7c9e112201a3

SHA-256:
f9075982b659eb13d1b9239cc1b7498244c5cb70035f8312d058ad7ddb7c40e3

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/27/2024 10:02:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TomorrowSoftware.SpiralMe.Bundler (M)
16.6.14.4

File size:
874.8 KB (895,800 bytes)

Product version:
2.3.4.6

Copyright:
Copyright (C) 2015

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tomorrow Software Installer

Language:
English (United States)

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

Digital Signature
Signed by:
Spiral Media

Authority:
VeriSign, Inc.

Valid from:
6/24/2015 7:00:00 AM

Valid to:
6/24/2016 6:59:59 AM

Subject:
CN=Spiral Media, O=Spiral Media, 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:
6D229836E7034F48BD411B17636E7FEF

File PE Metadata
Compilation timestamp:
7/11/2014 12:59:09 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:koMLKmtvPyHu780y/4S1y9pNg4W7HMcKcN+2QHCUx:HiKmHyOWp7sc/QD

Entry address:
0xC822

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, A8, 4B, 41, 00, 89, 0D, A4, 4B, 41, 00, 89, 15, A0, 4B, 41, 00, 89, 1D, 9C, 4B, 41, 00, 89, 35, 98, 4B, 41, 00, 89, 3D, 94, 4B, 41, 00, 66, 8C, 15, C0, 4B, 41, 00, 66, 8C, 0D, B4, 4B, 41, 00, 66, 8C, 1D, 90, 4B, 41, 00, 66, 8C, 05, 8C...
 
[+]

Entropy:
7.9584  (probably packed)

Code size:
51.5 KB (52,736 bytes)

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

http://files4.download25.info/download/.../dl?bc=1086440&pid=topvideosoft&brand=topvideosoft.com&s=new_source2&c=topdmsg&country=ID&cb=1307315111&filename=chrome-update.exe&productKey=pwhux3komm3645q6z3zvgdod6ug2bbpk&osName=Windows&osVersion=8&browserName=IE&browserVersion=7&zTmp=1&executable=1188615

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