rlvknlg.exe

Relevant-Knowledge

TMRG Inc.

The component is part of the TMRG platform which will track various behaviors of web browsing habits including tracking sites and domains visited as well as ads clicked. The application rlvknlg.exe by TMRG has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address wwwc.ia5.securestudies.com on port 443.
Publisher:
TMRG, Inc.  (signed by TMRG Inc.)

Product:
Relevant-Knowledge

Version:
1.3.337.392 (Build 337.392)

MD5:
13a56915dae5f185c087b41595bf2492

SHA-1:
541e6f60d756389a768a85be6c3bb26f14dc623d

SHA-256:
09e73533aa1def8aa247b6b5d69d93d11634d1035468d5c4fa6130f0bf230f2f

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:
1/20/2017 7:06:40 AM UTC  (ten months ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TMRG (M)
17.1.20.2

File size:
3.6 MB (3,740,576 bytes)

Product version:
1.3.337.392 (Build 337.392)

Copyright:
Copyright © 2001-2004

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:

Authority:
Symantec Corporation

Valid from:
1/18/2016 2:00:00 AM

Valid to:
2/17/2018 1:59:59 AM

Subject:
CN=TMRG Inc., O=TMRG Inc., L=Reston, S=Virginia, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
7E36C4BE2CEB69DF7BCEDB3B868E9EF9

File PE Metadata
Compilation timestamp:
12/28/2016 10:24:02 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

Entry address:
0x245F0C

Entry point:
E8, DC, 53, 01, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 51, 53, 8B, 45, 0C, 83, C0, 0C, 89, 45, FC, 64, 8B, 1D, 00, 00, 00, 00, 8B, 03, 64, A3, 00, 00, 00, 00, 8B, 45, 08, 8B, 5D, 0C, 8B, 6D, FC, 8B, 63, FC, FF, E0, 5B, C9, C2, 08, 00, 58, 59, 87, 04, 24, FF, E0, 58, 59, 87, 04, 24, FF, E0, 58, 59, 87, 04, 24, FF, E0, 8B, FF, 55, 8B, EC, 51, 51, 53, 56, 57, 64, 8B, 35, 00, 00, 00, 00, 89, 75, FC, C7, 45, F8, 88, 5F, 64, 00, 6A, 00, FF, 75, 0C, FF, 75, F8, FF, 75, 08, E8, 9C, 0D, 04, 00, 8B, 45, 0C, 8B...
 
[+]

Entropy:
6.6132

Code size:
2.7 MB (2,820,096 bytes)

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

TCP (HTTP):
Connects to lu7.api.mega.nz  (31.216.147.156:80)

TCP (HTTP):
Connects to 47.127.154.104.bc.googleusercontent.com  (104.154.127.47:80)

TCP (HTTP):
Connects to oss-ad-iad.securestudies.com  (165.193.78.187:80)

TCP (HTTP):
Connects to wwwc.ia5.securestudies.com  (165.193.93.104:80)

TCP (HTTP):
Connects to wwwc.ri5.securestudies.com  (4.16.74.200:80)

TCP (HTTP):
Connects to a184-26-186-69.deploy.static.akamaitechnologies.com  (184.26.186.69:80)

TCP (HTTP):
Connects to a104-95-190-18.deploy.static.akamaitechnologies.com  (104.95.190.18:80)

TCP (HTTP):
Connects to wwwc.ia7.securestudies.com  (205.217.176.8:80)

TCP (HTTP):
Connects to wwwc.ri4.securestudies.com  (4.16.74.168:80)

TCP (HTTP):
Connects to coccoc.com  (123.30.175.11:80)

TCP (HTTP):

TCP (HTTP):
Connects to a23-219-134-82.deploy.static.akamaitechnologies.com  (23.219.134.82:80)

TCP (HTTP):
Connects to 125.235.36.139.adsl.viettel.vn  (125.235.36.139:80)

TCP (HTTP):
Connects to wwwc.ia3.securestudies.com  (66.119.33.138:80)

TCP (HTTP):
Connects to hawk-iad.securestudies.com  (165.193.78.186:8080)

TCP (HTTP):
Connects to wwwc.ria.securestudies.com  (184.80.40.40:80)

TCP (HTTP SSL):
Connects to wwwc.ri7.securestudies.com  (4.16.75.8:443)

TCP (HTTP SSL):
Connects to wwwc.ri3.securestudies.com  (4.16.74.136:443)

TCP (HTTP):
Connects to wwwc.ri2.securestudies.com  (4.16.74.104:80)

TCP (HTTP):
Connects to wwwc.iaa.securestudies.com  (205.217.169.104:80)

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