flactomp3_setup.exe

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 flactomp3_setup.exe 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. It is also typically executed from the user's temporary directory.
Publisher:
Rspark LLC  (signed and verified)

MD5:
d244fdcd04ddf7f8cf48e7f97493e1fd

SHA-1:
c492d26236dffaedcddfb1ae368eb429bf970f10

SHA-256:
7ff597b40d9fe78fb8ca2dd2c8bb4eb6d0b22dd062f43155359c10dca8651c4f

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/18/2024 11:46:08 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.Rspark.Bundler (M)
16.1.5.4

File size:
627.6 KB (642,680 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\flactomp3_setup.exe

Digital Signature
Signed by:

Authority:
DigiCert Inc

Valid from:
11/24/2013 7:00:00 PM

Valid to:
1/26/2015 7:00:00 AM

Subject:
CN=Rspark LLC, O=Rspark LLC, L=Seattle, S=Washington, C=US

Issuer:
CN=DigiCert High Assurance Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0976B99960384A542A28908A69282E73

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:v0cLR4VGibm4Pa3vDXW/6i/NPLYaQ2UkHl6v+HSfIaP:vWGOmPXW/TNPc/OIv+yNP

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9781

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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