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microsoft security essentials setup.exe

WeDownload Ltd

The application microsoft security essentials setup.exe by WeDownload has been detected as a potentially unwanted program 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from microsoft-security-essentials.free-games.us.com.
Publisher:
WeDownload Ltd  (signed and verified)

MD5:
248cdcadb7b3d72539bfa84f5e33327f

SHA-1:
bce23990555bee7cb602af0608a17033f0208f3e

SHA-256:
5488f9d3859ea5160519b6524ffdc1c0681ee3619be283ecbde96b7be4465fd9

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 12:10:31 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WeDownoad.WeDownlo.Installer (M)
16.4.18.21

File size:
891.8 KB (913,152 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\microsoft security essentials setup.exe

Digital Signature
Signed by:
WeDownload Ltd

Authority:
VeriSign, Inc.

Valid from:
9/16/2014 1:00:00 AM

Valid to:
9/16/2016 12:59:59 AM

Subject:
CN=WeDownload Ltd, O=WeDownload Ltd, L=Nicosia, S=Nicosia, C=CY

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
10700C06F2801F40F4324BC7CEC29CFB

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:5tgE489hOE6G/UQ4yjbh2oejKaialktvim:5tTT996G/Uhy4oe8ekh

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://microsoft-security-essentials.free-games.us.com/get/file/id/.../?lp=adwords&tg=pt&kw= download security essentials&mt=b&ad=47381350264&pl=&ds=s&gclid=CO2RyfSS-sACFSTMtAodVzEATg&uid=1411571860ffc176347d035418a7f31f8503391063

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