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yahoo-messenger.exe

AVSoftware EOOD

The software installer uses the StartInstall.com download manager which bundles additional adware offers (toolbars and utilities such as the SafeSearch toolbar) during setup. The application yahoo-messenger.exe by AVSoftware EOOD has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a setup program which is used to install the application. The file has been seen being downloaded from s3-us-west-1.amazonaws.com.
Publisher:
AVSoftware EOOD  (signed and verified)

MD5:
0b180310b173d8b4a7cb39d51b6deebc

SHA-1:
5d87812b91f8bff4a7fd9191188d66c8f85429e2

SHA-256:
2ba6a4b0b594e287a16e69a1aef8529b9cab603a3a1c81220ce4d5317850e582

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.

Analysis date:
4/24/2024 8:21:14 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.AVSoftware EOOD (M)
16.11.5.19

File size:
967.1 KB (990,264 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\yahoo-messenger.exe

Digital Signature
Signed by:
AVSoftware EOOD

Authority:
VeriSign, Inc.

Valid from:
3/5/2013 3:30:00 AM

Valid to:
6/4/2016 4:29:59 AM

Subject:
CN=AVSoftware EOOD, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=AVSoftware EOOD, L=Sofia, S=Sofia, C=BG

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:
0EB840FECC84AE6DCA7A92109E2314ED

File PE Metadata
Compilation timestamp:
1/7/2014 1:07:25 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:7Z9i5jjzM+Om+RVubr707VWKbtPw/yEL9:19i5jjzO8bed2P

Entry address:
0x2FE190

Entry point:
60, BE, 00, 30, 61, 00, 8D, BE, 00, E0, DE, FF, C7, 87, 18, 0A, 27, 00, 1D, 24, 62, 18, 57, 83, CD, FF, EB, 0E, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46...
 
[+]

Entropy:
7.9217

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.22 (Delphi) stub

Code size:
944 KB (966,656 bytes)

The file yahoo-messenger.exe has been seen being distributed by the following URL.

https://s3-us-west-1.amazonaws.com/.../yahoo-messenger.exe

Remove yahoo-messenger.exe - Powered by Reason Core Security
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