nsjb286.tmp

File Downloader

The file nsjb286.tmp by File Downloader 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory.
Publisher:
File Downloader  (signed and verified)

MD5:
868fe75e24c46787800afec9e58cafec

SHA-1:
e071951c8ec37b200e38e96d2806cebd9c21daec

SHA-256:
0b34003cb8a7d71a5808d746b5b5d5d8c1a7a970c3c8a36702a41c421d06cf8e

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:
11/5/2024 11:33:23 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.FileDown.Installer (M)
16.5.5.11

File size:
329.8 KB (337,704 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nsjb286.tmp

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
9/10/2014 2:00:00 AM

Valid to:
9/11/2015 1:59:59 AM

Subject:
CN=File Downloader, OU=Weather Ping, O=File Downloader, STREET=5655 Silver Creek Valley Road, L=San Jose, S=CA, PostalCode=95138, C=US

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

Serial number:
6C4833E98E5E20FEC258194CE08B6826

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:kFJ0GBMRpYfe+D7pJ59ECadigTZXwVCTtZ4rt5q2pd5A8WwFdR:2BIYx7pBAdZXwVC/4rbJd5A8HR

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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