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installer_ares_spanish.exe

MARi Mara

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installer_ares_spanish.exe by MARi Mara 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 download.instseo.com.
Publisher:
MARi Mara  (signed and verified)

MD5:
dda91e0eacfb3ac3a82532b0483f99a9

SHA-1:
6d7bcabc333a11982b6848cd3f7d1a53fb5c0948

SHA-256:
36a41b11eda2e59fada99847fbb754154c95b9961f8c33516edba6829068e0cd

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/22/2024 12:39:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.2.5.18

File size:
573 KB (586,752 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\installer_ares_spanish.exe

Digital Signature
Signed by:
MARi Mara

Authority:
thawte, Inc.

Valid from:
1/21/2015 6:00:00 PM

Valid to:
12/17/2015 5:59:59 PM

Subject:
CN=MARi Mara, O=MARi Mara, L=Dublin, S=Dublin, C=IE

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

Serial number:
663018F0F9EA4CED0AD7F220A3B3224D

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

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:
7.9744

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installer_ares_spanish.exe has been seen being distributed by the following URL.

http://download.instseo.com/installers/axtan_installers/get.php?aa=lp/1/seo//&r=9532687&loop=1&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9scC8xL3Nlby9zcGFuaXNoL3Nlby9jaHJvbWUvYXJlcy9kLzc4MjE5ODAyN2ZjNTA5NGM0NzlkM2VmOWE0M2IyMmI1L291dC9uYS9uYS9pbnN0YWxsZXJfYXJlc19TcGFuaXNoLmV4ZQ==&u=L2Rvd25sb2FkLmluc3RzZW8uY29tL2luc3RhbGxlcnMvb3V0LzAwMTI3MDAxMjgwMDEyOS9waWlkLTAxMjM0NTY3ODk5ODc0NTYzMjEwMDEyMzQ1Njc4OTEyL2xwLzEvc2VvL3NwYW5pc2gvc2VvL2Nocm9tZS9hcmVzL2QvNzgyMTk4MDI3ZmM1MDk0YzQ3OWQzZWY5YTQzYjIyYjUvb3V0L25hL25hL2luc3RhbGxlcl9hcmVzX1NwYW5pc2guZXhl&p=U0VP&ML=52&GA=31&NE=69&CG=72&HH=84&GB=92&HL=16&JN=58&HN=67&AH=65&s=5540543788330816876821198980556101165434367359036618737536591201327871207043946508471234893924056843974778072632470694173466971565953330238401759818326773361427023366480330415307230807234386098325073007058699422413137565274117614015721690633874297954471993654166748818971269689474811011376783467348146372230187669870908687923758572109433451218195295054756022989190144489

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