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update2.exe

Prospera Software, Inc.

The application update2.exe by Prospera Software has been detected as a potentially unwanted program by 11 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. While running, it connects to the Internet address f2.fd.adb8.ip4.static.sl-reverse.com on port 80 using the HTTP protocol.
Publisher:
Prospera Software, Inc.  (signed and verified)

MD5:
069da349b84806037653e4163d3a0aa3

SHA-1:
342e8db166cba668b4cf3b1a310ca50f9b732f5a

SHA-256:
5a6320055f57d05b920f9745a48a40d7c63b3e475bd97f4d6e7931e2400b63b2

Scanner detections:
11 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 11:57:32 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2016.0.3059

Baidu Antivirus
PUA.Win32.DownWare
4.0.3.1573

Bkav FE
W32.HfsAdware
1.3.0.6979

Comodo Security
Application.Win32.DownWare.~A
22652

Dr.Web
Program.Unwanted.538
9.0.1.0184

ESET NOD32
Win32/DownWare.L potentially unwanted
9.11884

Fortinet FortiGate
Riskware/Downware
7/3/2015

McAfee
Artemis!069DA349B848
5600.6715

Reason Heuristics
PUP.ProsperaSoftware.Installer (M)
15.7.3.23

VIPRE Antivirus
Trojan.Win32.Generic
41674

File size:
2.7 MB (2,853,675 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Digital Signature
Signed by:
Prospera Software, Inc.

Authority:
COMODO CA Limited

Valid from:
5/25/2015 2:00:00 AM

Valid to:
5/25/2016 1:59:59 AM

Subject:
CN="Prospera Software, Inc.", O="Prospera Software, Inc.", POBox=30024, STREET=4539 Arbor Crest Place, L=Suwanee, S=Georgia, PostalCode=30024, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
19A1AE80173FC78EF95D67C4BB75F591

File PE Metadata
Compilation timestamp:
2/24/2012 8:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
98304:S3xVax+tO4/jbGrh4Alt4G51LbzaF/q0ge5n6H6MZJpKiXR5jN7coVYjGhLPWzw+:4Id4bGyO3h0geIH9ZJpKe5feiB/D1A7p

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to f2.fd.adb8.ip4.static.sl-reverse.com  (184.173.253.242:80)

TCP (HTTP):
Connects to server-205-251-219-234.arn1.r.cloudfront.net  (205.251.219.234:80)

TCP (HTTP):
Connects to server-205-251-219-7.arn1.r.cloudfront.net  (205.251.219.7:80)

TCP (HTTP):
Connects to s3-1-w.amazonaws.com  (52.216.224.160:80)

TCP (HTTP):
Connects to ec2-54-225-182-66.compute-1.amazonaws.com  (54.225.182.66:80)

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