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4fef.tmp

OTOpiA SofT

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The file 4fef.tmp by OTOpiA SofT 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.
Publisher:
QOAMQ  (signed by OTOpiA SofT)

Product:
QOAMQ

Version:
8716.1569.831.1115

MD5:
48a668be0f9837beb64354ce5b87c2bc

SHA-1:
f34235597959a8a4a2ec4e3afbe45f5ef097b0e2

SHA-256:
6d255dfd4f1fae1b70075be128a58e858e1fb290a7f59347fdbdff406a0880b9

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:
4/22/2025 5:45:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.OTOpiASo.Bundler (M)
16.4.8.13

File size:
750.9 KB (768,904 bytes)

Product version:
8716.1569.831.1115

Copyright:
QOAMQ

Trademarks:
QOAMQ

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

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\4fef.tmp

Digital Signature
Signed by:
OTOpiA SofT

Authority:
thawte, Inc.

Valid from:
6/7/2015 8:00:00 PM

Valid to:
12/17/2015 6:59:59 PM

Subject:
CN=OTOpiA SofT, O=OTOpiA SofT, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
59F3BA8BC373971A5F3CE499080892F6

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Rjxl9gEwUAcNgIfA+u5tyf0WHHFKz/8be68ZGa2GsedlJJDZecjfc8vy4hi:R1l9g6gIfbNffHeEJDGs4lrFhQ86p

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9850

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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