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microsoft-security-essentials.exe

Run aPps forEVER lld

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application microsoft-security-essentials.exe by Run aPps forEVER lld 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 get.down1213tech.info.
Publisher:
QFRXZ  (signed by Run aPps forEVER lld)

Product:
QFRXZ

Version:
4514.15624.1395.4593

MD5:
89e0d843d2b1baf5e0d92ed7553f0ffc

SHA-1:
e880826028e6565d52be10d239a3b8f63abfc6d9

SHA-256:
853de04ec4ed8460b1c7142bee8ed2310c2ddb908fc8f15d4de7f6d5cf97105e

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:
5/8/2025 9:33:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.RunaPpsf.Bundler (M)
16.6.22.12

File size:
647.9 KB (663,480 bytes)

Product version:
4514.15624.1395.4593

Copyright:
QFRXZ

Trademarks:
QFRXZ

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

Digital Signature
Signed by:
Run aPps forEVER lld

Authority:
thawte, Inc.

Valid from:
6/16/2015 2:00:00 AM

Valid to:
1/28/2016 12:59:59 AM

Subject:
CN=Run aPps forEVER lld, O=Run aPps forEVER lld, L=Dublin, S=Dublin, C=IE

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

Serial number:
5968C1C08A7EBB6D042A402DF2EF294F

File PE Metadata
Compilation timestamp:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:uc+eyp4DNt2jjouYpnUX1yeWAj4eF3xW+fWcBVkfc8vy4h:uc+epgoN5lOjV3xxDj86

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file microsoft-security-essentials.exe has been seen being distributed by the following URL.

http://get.down1213tech.info/1435163601/downloadmanager/1435163601?41378036736Y2RxMCk/bTcqLSo1NSNdNTExKzAzIGg8LiwtNzQgZzorIm9vaFx1YG5nXmdhPFRiZklrbW1eZmhDbHBmbGxbXUpbamBkXmomYnJecmxoPGVtbHAiLVoiLGIkL19lc2IoXWltYXFzYltlK2diYGxrcmxfbC5gaWYiLGJjbHBmbGxbXSIsYkUiK14zIixfNh8uZUMsMTIwLCo/.../Jik0Lj8rQy0yNkItLCUvYF9vYG4kL19wODMfK2Nnb2RmZ2t0XmZlK190ZCNdcW5eZ2JgaF1sYjZFaWBsaHBpYnMiKyhTYl1ub2NweCIrKEVwbV5rbmVgaWweZmZmXmtbaWQ6ZmFjb2lsbGBwLHBeW3VvY212J2FycF5mdGZbZXAgYDA6LR5pYGlnOjIyJXdiaD0t

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