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a27c.tmp

Best App

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The file a27c.tmp by Best App has been detected as adware by 18 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent.
Publisher:
Best App  (signed and verified)

MD5:
dc923f6196dca77d7f7deefc15c8c341

SHA-1:
2c8cde34504a43a212cf0c27429e1fa0a15647b3

SHA-256:
23d79ffde77a24da83c5535f894716edbaa472b5330b645be7291d9f72f2a956

Scanner detections:
18 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse 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:
11/24/2024 6:41:02 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.V
6330886

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.01.10

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.200.118

avast!
Malware-gen
150101-1

AVG
Generic
2016.0.3234

Bitdefender
MemScan:Application.Bundler.Outbrowse.V
1.0.20.45

Emsisoft Anti-Malware
MemScan:Application.Bundler.Outbrowse.V
9.0.0.4799

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
7.0.302.0

F-Secure
Riskware.MemScan:Application.Bundler.Outbrowse
5.13.68

G Data
MemScan:Application.Bundler.Outbrowse
15.1.24

K7 AntiVirus
Unwanted-Program
13.190.14599

Malwarebytes
PUP.Optional.OutBrowse
v2015.01.09.06

McAfee
Adware-OutBrowse.c
5600.6890

MicroWorld eScan
MemScan:Application.Bundler.Outbrowse.V
16.0.0.27

NANO AntiVirus
Trojan.Win32.OutBrowse.dlwssj
0.30.0.64448

Reason Heuristics
PUP.BestApp.H
15.1.9.18

Trend Micro House Call
Suspici.202D3B0F
7.2.9

VIPRE Antivirus
Trojan.Win32.Generic
36516

File size:
564.7 KB (578,208 bytes)

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\a27c.tmp

Digital Signature
Signed by:
Best App

Authority:
GlobalSign nv-sa

Valid from:
12/5/2014 3:37:04 AM

Valid to:
12/6/2015 3:37:04 AM

Subject:
CN=Best App, O=Best App, L=Dublin, C=IE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11215B01F9256F0A054A3A5BFF4B3A8312B6

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:BB7sY4KI6vLN4MKppw9Jq6yUOSsrp8AWmEtA+L2++4OO:BBoYtvL6MKDUo6vcp8Azs2+3

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:
7.9729

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

Remove a27c.tmp - Powered by Reason Core Security
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