flvtomp4_setup.exe

FLV7OMP4_S37UP

Rspark LLC

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application flvtomp4_setup.exe, “FLV7OMP4_S37UP Setup ” by Rspark 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 OutBrowse Revenyou installer. The file has been seen being downloaded from software-files-a.cnet.com.
Publisher:
Rspark LLC  (signed and verified)

Product:
FLV7OMP4_S37UP

Description:
FLV7OMP4_S37UP Setup

MD5:
c23e127d0268187387eb1cdab5ac8535

SHA-1:
f4eb33ae2ef0180e23454a0bc4dda9e147d12eaf

SHA-256:
0247c1d7fb8b5390904d0639aa116ebd82d889e169f737fbde10d1e76e36bce3

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:
12/25/2024 1:26:58 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.2.10.18

File size:
865.4 KB (886,208 bytes)

Product version:
1.0

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Inno Setup)

Common path:
C:\users\{user}\downloads\flvtomp4_setup.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
3/30/2015 8:00:00 AM

Valid to:
3/30/2016 7:59:59 AM

Subject:
CN=Rspark LLC, OU=Sam Cohen Brown, O=Rspark LLC, STREET=2929 1st Avenue, STREET=405, L=Seattle, S=WA, PostalCode=98121, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
009B5883FE4688D09B024556FD8F95EF29

File PE Metadata
Compilation timestamp:
6/20/1992 6:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9465

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file flvtomp4_setup.exe has been seen being distributed by the following URL.

http://software-files-a.cnet.com/s/software/14/21/09/.../flvtomp4_setup.exe

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