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expressfiles-setup.exe

Cash Buyer Media

This is the Vittalia Filewon Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application expressfiles-setup.exe by Cash Buyer 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 Vittalia DM installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from files4.fastmirror7.net.
Publisher:
Cash Buyer Media  (signed and verified)

MD5:
e4f947726f5aa2d8902a3cb6a2766aeb

SHA-1:
8efa59e27f20b33e38f7ad77702da8944efc3f88

SHA-256:
5214f3881da12b7f6b887458fe86871251f01792fe40d205c24808f6d874e02f

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/27/2024 1:31:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia.CashBuye.Bundler (M)
16.4.27.4

File size:
655.6 KB (671,360 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\expressfiles-setup.exe

Digital Signature
Signed by:
Cash Buyer Media

Authority:
VeriSign, Inc.

Valid from:
2/5/2015 5:30:00 AM

Valid to:
2/6/2016 5:29:59 AM

Subject:
CN=Cash Buyer Media, O=Cash Buyer 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:
16225050F02F98DCFD5828F7D2C7CD45

File PE Metadata
Compilation timestamp:
1/29/2015 12:05:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:b4BS2ly9NKPRdegPsgQr/745jezvROTVo80d1WU1ntTxJ10gJ1Tvziq:bhhKeiHQr/s1uRCBQWMxDpiq

Entry address:
0x234A

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 78, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, E8, F8, FD, FF, FF, FF, 15, 30, 77, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 2C, 77, 40, 00, 6A, 08, A3, 98, 3D, 42, 00, E8, DD, F9, FF, FF, 53, 68, 60, 01, 00, 00, A3, A0, 3C, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 0B, 74, 40, 00, FF, 15, 50, 71, 40, 00, 68, 00, 74, 40, 00, 68, A0, 34, 42, 00, E8, 5A, F3, FF, FF, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57...
 
[+]

Entropy:
7.9733

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file expressfiles-setup.exe has been seen being distributed by the following URL.

http://files4.fastmirror7.net/download/.../dl?bc=794811&pid=tucows&brand=tucows.com&country=IN&variation=chwebsite&cb=2120755816&filename=expressfiles-setup.exe&osName=Windows&osVersion=8&browserName=IE&browserVersion=10&zTmp=1

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