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opera-beta-rc-2.exe

The application opera-beta-rc-2.exe has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from downloads3.uptodown.net.
MD5:
a4b1518be3e57763f61e95ed6aa90dad

SHA-1:
045a9b1e7e5502e267c02bec86f1b997ddb9fc53

SHA-256:
92a9afa001033719040b3a12be68fe2235581b6ac02c548851f72af7b065715e

Scanner detections:
7 / 68

Status:
Potentially unwanted

Analysis date:
4/19/2024 6:27:44 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:UpToDown-A [PUP]
2014.9-160208

Dr.Web
Tool.InstallToolbar.21
9.0.1.039

Emsisoft Anti-Malware
Trojan.Win32.UpToDown.AMN!A2
8.16.02.08.06

ESET NOD32
Win32/UpToDown (variant)
10.6865

McAfee
Artemis!A4B1518BE3E5
5600.6495

Norman
NSIS/UTD.A
11.20160208

Sophos
Funmoods Toolbar
4.73 TP

File size:
1.8 MB (1,869,262 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\opera-beta-rc-2.exe

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:CFQjdzmZI7sBubIqSmT/MLRpEPKPocxt1arufjm:CFQBSBubB90LRDocxWrv

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...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file opera-beta-rc-2.exe has been seen being distributed by the following URL.

http://downloads3.uptodown.net/.../opera-beta-rc-2.exe

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