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firefox_setup.exe

The application firefox_setup.exe has been detected as a potentially unwanted program by 13 anti-malware scanners. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server. The file has been seen being downloaded from downloader.ez-download.com.
MD5:
bff99ec695fa6348891b36383704fbfd

SHA-1:
ae5a8579ce9a45e17223b67f0c6f04b0813e6962

SHA-256:
9ed8c6d5c148991f10d4df0022b5aaa4262210b77bd4b3587bd5dee204d66ac5

Scanner detections:
13 / 68

Status:
Potentially unwanted

Analysis date:
4/26/2024 9:09:02 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:IBryte-BQ [PUP]
2014.9-150414

F-Prot
W32/Ibryte.C3.gen
v6.4.7.1.166

herdProtect (fuzzy)
variant of setup.exe (Adware)
2015.7.16.3

K7 AntiVirus
Adware
13.176.11482

Kaspersky
not-a-virus:AdWare.Win32.Agent
14.0.0.1729

Malwarebytes
PUP.Optional.Ibryte
v2015.07.16.03

McAfee
Adware-FOO!808D236FC62D
5600.6703

NANO AntiVirus
Riskware.Win32.Agent.csnrpm
0.28.0.58491

Norman
Agent.ASWDM
11.20150716

nProtect
Trojan-Clicker/W32.Agent.909608
14.03.18.01

Reason Heuristics
Threat.Win.Reputation.IMP
15.4.14.9

Sophos
PUA 'iBryte Optimum Installer'
5.12

Total Defense
Win32/Zbot.HIE
37.0.10826

File size:
769.8 KB (788,264 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\firefox_setup.exe

File PE Metadata
Compilation timestamp:
4/22/2013 6:30:48 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:yAxqHpPuk0HYVQ+A4NQHK/A+PQju+kS/Jyl:rKFzGYVpA4NQbmQoSByl

Entry address:
0x53505

Entry point:
E8, 61, E1, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 6A, 00, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, DA, E1, 00, 00, 83, C4, 14, 5D, C3, FF, 35, 24, AD, 4A, 00, E8, 06, 4D, 00, 00, 59, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 31, A3, 00, 00, 6A, 01, 6A, 00, E8, D9, E4, 00, 00, 83, C4, 0C, E9, BA, E3, 00, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 66, 8B, 08, 40, 40, 66, 85, C9, 75, F6, 2B, 45, 08, D1, F8, 48, 5D, C3, 8B, FF, 55, 8B, EC, 8B, 55, 08, 53, 56, 57, 33, FF, 3B, D7, 74, 07, 8B, 5D, 0C, 3B...
 
[+]

Entropy:
6.5436

Code size:
459.5 KB (470,528 bytes)

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

http://downloader.ez-download.com/download.php?id=f50f27ee9a46be299726aa8dc8d3836e32422266&z=1&p=eyJweSI6ImV6IiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW54cCIsImIiOiJjaDI2IiwidV9pZCI6ImV6XzUxNzU5MGUyOGQ0MTA0LjM1OTQ5MzU4IiwicGFfaWQiOiIxIiwic3RfaWQiOiIwIiwic3BfaWQiOiIwMDAwLTAwMDAiLCJ0cyI6MTM2NjY1OTI5OCwia3ciOiJmaXJlZm94IiwiY3UiOiJmaXJlZm94IiwiY2EiOm51bGx9

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