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installer_microsoft_excel_french.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_microsoft_excel_french.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 859795673.r.cdn77.net.
Publisher:
mAri maRa  (signed and verified)

MD5:
a8ffc15e522082f2f63002f39ebe2c04

SHA-1:
bec02f8f8b3eaad3ce32f264aefea65d2b3382cf

SHA-256:
ad82f6c1119ba3816bd3c7cfe4dc4dfeb27bbb100e3641963befd4e94ff6f8dc

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:
12/25/2024 3:01:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.mArimaRa.Bundler (M)
16.6.22.20

File size:
597.8 KB (612,104 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
mAri maRa

Authority:
thawte, Inc.

Valid from:
2/8/2015 12:00:00 AM

Valid to:
12/17/2015 11:59:59 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:
5BE91BA7A7218990E37861B6C60E996F

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):
12288:Y9wR073rqcaLsmIiykh8iGFmQZ6QCXmcjDCehC:Y9K0jmlI5AGFXeXmc3CeM

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 installer_microsoft_excel_french.exe has been seen being distributed by the following URL.

http://859795673.r.cdn77.net/installers/axtan_installers/get.php?ik=out&ua=chrome&ut=d9f386c9c3dcf0a9f185bb4400572830&r=1413133&u=L2Rvd25sb2FkLnRlbGVjaGFyZ2Vycy5uZXQvaW5zdGFsbGVycy9vdXQvMDAyMTYwMDIxNzAwMjE4L3BpaWQtNTRlMzZmMmIwNmFjOTUuNzk3NTQ5MjkvYXgvMS90ZWxlY2gvZnJlbmNoL3Nlby9jaHJvbWUvbWljcm9zb2Z0X2V4Y2VsL2QvNzgyMTk4MDI3ZmM1MDk0YzQ3OWQzZWY5YTQzYjIyYjUvb3V0L25hL25hL2luc3RhbGxlcl9taWNyb3NvZnRfZXhjZWxfRnJlbmNoLmV4ZQ==&p=VEVMRUNI&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9heC8xL3RlbGVjaC9mcmVuY2gvc2VvL2Nocm9tZS9taWNyb3NvZnRfZXhjZWwvZC83ODIxOTgwMjdmYzUwOTRjNDc5ZDNlZjlhNDNiMjJiNS9vdXQvbmEvbmEvaW5zdGFsbGVyX21pY3Jvc29mdF9leGNlbF9GcmVuY2guZXhl&loop=1&aa=ax/1/telech//&IA=99&FE=59&MI=37&EA=73&II=62&AI=69&IL=24&LB=64&EE=95&BF=65&s=9563859155851449572602240812508465740766341486443714038020281127602788313562116597991794822935606885726073295844633713295489059648210928247832296678997446352326148130955748068626416260905138842665761245142014666283383996781948425559164365832450788178746

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