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browser guard.exe

The application browser guard.exe has been detected as a potentially unwanted program by 8 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 www.update-srv2.info.
MD5:
a90663078bc0e9df1e7d5b67cd2e94c8

SHA-1:
e6218d6841240f9dc2c185d26d157aadc5a5eebf

SHA-256:
9d6c5126a2d03adcff51d138384bb2c66e62d17820cd0bc3666a225180893992

Scanner detections:
8 / 68

Status:
Potentially unwanted

Analysis date:
4/29/2024 4:23:39 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Adware Generic6.BYT
2015.0.4522

Clam AntiVirus
Win.Trojan.Agent-785758
0.98/21322

Dr.Web
Trojan.DownLoader11.53565
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Adware.Kazy.519892
10.0.0.5366

ESET NOD32
multiple threats
7.0.302.0

F-Prot
W32/Trojan2.OOKP
4.6.5.141

F-Secure
Variant.Adware.Kazy
5.15.21

Norman
Gen:Variant.Adware.Kazy.519892
03.12.2014 13:20:04

File size:
2.2 MB (2,270,926 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\browser guard.exe

File PE Metadata
Compilation timestamp:
8/12/2014 6:06:24 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:FLBNtKsEkwgM4jAAq1RqYSCtWKa3OBqygYSAbwNyw6Uhv2qZ6SMImSBJB05s:QWt3OAOSIiJ2qdMpa05s

Entry address:
0x3375

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, E0, 73, 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, B8, FC, 42, 00, E8, 28, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, FB, 42, 00, 8D, 44, 24, 38, 50, 53, 68, DB, 73, 40, 00, FF, 15, 58, 71, 40, 00, 68, D0, 73, 40, 00, 68, C0, F3, 42, 00, E8, 07, 24, 00, 00, FF, 15, AC, 70, 40, 00, 50, BF, 00, 50, 43, 00, 57, E8, F5, 23, 00, 00...
 
[+]

Entropy:
7.9896

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://www.update-srv2.info/.../.eJw1jEsKgCAYBu_yrd2omY_LhJCJJPqjroru3gPazgxzwhMtaYWTxhrNMHzf4ZBKHz7n0MBArxZCcIajlvDV2k5KKsX-cNmyjx2O8_m9PCyGZ0OtrrhuI0Ee5w.dsnz0V_RYpvwphL5SkT-_A8RBGE

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